# Unit 1 - Chemistry Matters

WARM UP Take out your notebook. Write the Unit topic (Chemistry Matters) on a new page. Copy down these topic objectives. UNIT 1 OBJECTIVES: At the end of this unit I will be able to:

Use appropriate significant figures and scientific notation. Explain the use of the metric system and perform conversions. Categorize objects based on the type of matter. Describe the basic structure of atoms. UNIT 1 - CHEMISTRY MATTERS AGENDA ESSENTIAL QUESTION

: In what ways are basic mathemati cal concepts used in Warm Up Diagnostic Test Analysis Significant Figures Scientific notation The Metric System Exit Quiz

ANNOUNCEMENTS Remember my expectations of you You will get the Unit 1 Homework Packet (Part 1) today. It is due next Wednesday 2.3.16 Diagnostic Test Analysis Diagnostic tests give teachers an idea of what you already know. We will be tracking your data throughout this class. Today I will show you how to use the test

tracker. Follow closely, so that you know exactly what to do. CORRECT = INCORRECT = Unit 1 Subtopic 1: MATH FOR SCIENCE - Significant Figures - Scientific Notation *** Remember NOTES are in blue! *** SIGNIFICANT FIGURES

Look at this table and suggest a definition for significant figures. NUMBER 0.000567 123456 86000 35.079 2001000 QUANTITY OF SIGNIFICANT FIGURES 3

6 2 5 4 Significant Figures Definition: Numerals that affect the value of a number when written in scientific notation. Rules:

All numerals from 1-9 are significant. Zeroes are significant if they are between two significant figures. This is important when doing calculations in science Always write your answer based on Lets practice:

How many significant figures are there in each of these numbers? 1. 2. 3. 4. 5. 3.461728 4.091 0.97001 5.2631 3.461728 + 4.091 + 0.97001 + 5.2631 (Solve the problem and then write the answer to the correct number of significant figures)

Check your answers at the solution station when you are done then return to your seats. Lets practice (your turn!): How many significant figures are there in each of these numbers? 1. 2. 3. 43705 0.0663 363587.006 + 433.12 + 68.03

(Solve the problem and then write the answer to the correct number of significant figures) Check your answers at the solution station when you are done then return to your seats. WARM UP 1. 2. What are the 2 rules for significant figures? How many significant figures are

there in: 1. 2. 3. 4. 3. Answer these questions on the same page you used for Mondays Warm up. 90210 9002.010 0.009021 90.21000

Solve these equations: AGENDA ESSENTIAL QUESTION : In what ways are basic mathemati cal concepts used in Warm Up

Math for Chemistry Matter Physical & Chemical Change Exit Quiz Home Work SCIENTIFIC NOTATION How much money would you like to have in your entire lifetime? (Write down that amount in numerals in your notebook.) Scientific Notation

There is an easier way to write very large numbers and very small numbers they can be written in scientific notation. Scientific notation is expressed in this way: A x 10B Where A is a number greater than or equal to 1 but less than

10. (Therefore it is a number that only has 1 significant figure before the decimal point) B is an exponent of 10. For example: 0.0000437 = 4.37 x 10-5 165,000,000,000 = 1.65 x 1011 Scientific Notation To change numbers less than 1 to

scientific notation: Move the decimal point to the right until there is only one significant figure in front of the decimal point. This new number will be A. Count the number of places you have moved your decimal point. Place a negative sign in front of this number and make it your exponent of 10 (B). For example:

Scientific Notation To change numbers greater than 1 to scientific notation: Move the decimal point to the left until there is only one significant figure in front of the decimal point. This new number will be A.

Count the number of places you have moved your decimal point. Make this number your exponent of 10 (B). For example: 4835000 = 4.835 x 106 Lets practice: Write these numbers in scientific notation. 1. 2. 3.

4. 5. 56000 40765 0.0328 0.000831 910.0248 WARM UP DAY 2 (Do all warm ups for this Unit on the same sheet of paper) What are three guidelines to follow in this class? Why is it sometimes necessary to write numbers in scientific notation?

When adding numbers, you should always make sure that your answer has the same amount of significant figures that matches the number with the A. smallest / AGENDA ESSENTIAL QUESTION : In what

ways are basic mathemati cal concepts used in Warm Up Announcements The Metric System Classification of Matter Exit Quiz ANNOUNCEMENTS

Unit 1 Homework Packet (Part 1) is due next Wednesday 2.3.16 You will have a Quiz next Tuesday / Wednesday (depending on how far we get to). You will have a test next Friday / the Monday after that. Turn in the yellow packet (if you havent done so already).

Unit 1 Subtopic 2: THE METRIC SYSTEM - What is the Metric System - Metric Conversions THE METRIC SYSTEM The Metric Staircase The Metric Staircase The Metric System

This is a system used internationally for measuring items. The Metric System relies on base units for every type of measurement that exists. Each measurement can be converted into smaller or larger units by multiplying or dividing by 10 and adding an appropriate prefix to the base unit. The Metric System Conversions

To go from smaller units to larger units, divide by 10 each step of the staircase. For example: Convert 36000 mm to m. From mm to m, we take 3 steps. Therefore we must divide 36000 by 10, 3 times. 36000/10/10/10 = 36000 / 103 = 36000/1000 = 36m. To go from larger units to smaller units, multiply by 10 for each step of the staircase.

For example: How many liters are there in 45 kL? From kL to L, we take 3 steps. Therefore we must multiply 45 by 10, 3 times. 45x10x10x10 = 45 x 103 = 45x1000 = 45000L. RESEARCH: Work individually or in pairs to prepare a product summarizing the Metric System. You should include:

What is the Metric System? A mnemonic device to help you remember the Metric System. What are the metric base units used for each of these types of measurements? Mass, Length, Volume, Time, Pressure, Temperature, Energy Which metric unit (prefix included) would you use to measure: A

Pencil A Glass of cranberry juice The temperature in your oven The distance between the United States and Jamaica. The mass of 300 apples EXIT QUIZ Convert to scientific notation: How many significant figures are there

in: 999.8865 0.0003405 999.8865 0.0003405 How many centigrams are there in 237 decagrams? WARM UP

Convert to scientific notation: How many significant figures are there in: 999.8865

0.0003405 999.8865 0.0003405 How many centigrams are there in 237 decagrams? Unit 1 Subtopic 3: MATTER - What is Matter? - Types of Matter MATTER

Matter is anything that has mass and takes up space. There are three states of matter: Solid Particles closely arranged, little kinetic energy Volume and shape are constant. Liquid Particles

loosely arranged, medium kinetic energy Volume is constant, shape varies based on container Gas Particles very loosely arranged, high kinetic energy Volume and shape vary CLASSIFICATION OF MATTER Sort these items into four groups. Make sure to give a reason for placing each item into the

group you placed it in. Chocolate chip cookie Gold Carbon dioxide Kool aid Water

Copper Air Soil Pizza Classification of Matter Scientists also place items into groups. In Biology, we classify living things into the major kingdoms and then smaller groups. In Chemistry, we classify (sort / group) items based on the type of matter.

Pure Substances Elements Compounds Mixtures (Impure substances) Homogenous mixtures Heterogeneous mixtures Classification of Matter Elements

Elements these are made up of one type of atom. They are found on the Periodic Table. Classification of Matter - Compounds Compounds These are made from more than one atom and arranged in a particular formula. Classification of Matter Homogeneous Mixtures

Homogeneous Mixtures These do not have a specific chemical formula, but they look the same throughout. Classification of Matter Heterogeneous Mixtures Heterogeneous Mixtures These do not have a specific formula and may look different from one section to the next. Classification of Matter

Use your notes and this concept map to write 5 sentences about matter. Give definitions of the four major types of matter, and examples of each one. YOUR TURN Sort these items into the four types of matter.

Chocolate chip cookie Gold Carbon dioxide Kool aid Water Copper Air Soil Pizza WARM UP

1. How many significant figures are there in: 1. 2. 3. 2. 3. 4. Answer these questions on the same page you used for Fridays Warm up.

500.0046 37.12 900.8 + 809 (What is the correct answer?) Convert 12000 cg to kg What classification of matter is made up of more than one type of atom in a specific chemical formula? Describe solids in terms of their AGENDA ESSENTIAL QUESTION : In what

ways can matter change from one form to another? Warm Up Announcements Science Career Monday Physical & Chemical Change Family Style Lab Exit Quiz - Trashketball

ANNOUNCEMENTS Upcoming Events: Unit 1 Quiz tomorrow Unit 1 Homework due Wednesday 2.3.16 Unit 1 Test Friday 2.5.16 Turn in the yellow packet (if you havent done so already).

SCIENCE CAREER MONDAY: PHARMACOLOGIST Pharmacologists study the effects of drugs and other chemical substances on cells, animals, humans and the environment.

As a pharmacologist you would carry out research to discover and develop new drugs and medicines, and to make sure they are used safely. Work hours: 37-40 hrs / week Salary ranges from 40000 114000 per year Skills needed: Problem solving; Analytical & Measurement Skills Basic Entry Requirements: B.Sc. In Chemistry / Biochemistry Unit 1 Subtopic 4: PHYSICAL & CHEMICAL CHANGES - What are physical & chemical changes? - How do you know what type of change has occurred?

Physical & Chemical Changes Substances can be changed into a different form. The change may be physical or chemical. Physical Changes A substance that undergoes a physical change ends up being the same substance. It is indicated by:

Change in size Change of state Change of texture Chemical Changes A chemical change involves the formation of a new substance. It is indicated by

Release of odor Precipitate formation Release of a gas Color change Temperature change Physical & Chemical Changes State whether each of these changes are physical or chemical. Give a reason for your answer.

Family Style Lab This lab will be a demo. You must turn in your observations sheet at the end of class today. Follow along and record the observations. REVIEW & PRACTICE FOR QUIZ

So far we learned: Classroom guidelines Lab Safety The Scientific Method Significant Figures The Metric System States of Matter

Classification of Matter Physical & Chemical Changes TRASHKETBALL!!! Arrange the three states of matter (solid, liquid, and gas) in order of DECREASING space between particles (greatest amount of space to leastamount of space).

Which state of matter has a fixed (the same) volume but not a fixed shape? What classification of matter is this substance? Copper (Cu) What classification of matter is this

substance? Chicken noddle soup (with chicken and noodles) What classification of matter is this substance?

H 2 NO3 How many millimeters in 12 kilometers? Why is boiling a physical change?

12.53 + 0.0003 + 56 = ? Review & Practice For Quiz Station Review Visit the stations for the topics you need some more clarity on. Look at the examples and practice the questions.

Review & Practice For Quiz Kahoot Table Competition Pull out your phones. Log on to Kahoot.it When you have completed your Warm Up, fill out the Learning Styles Survey on the back of your facebook sheet.and chemical

Identify the physical WARM UP 1. changes, giving reasons for your answers: This summer, Alices dad put ground beef on the grill and made well-done burgers. Her brother cut slices of cheese to place on the burgers. Alice left her drink next to the grill and the ice cubes melted. 2. Place each of these into the four categories of matter: Pizza, silver, C2H6, vanilla ice cream, Salt

(NaCl), Special fried rice, lemonade(no pulp) AGENDA ESSENTIAL QUESTION: What are atoms made of?? Warm Up & Announcements Lab Completion Quiz Intro to the Atom Exit Quiz Home Work

ANNOUNCEMENTS Upcoming Events: Unit 1 Quiz today Unit 1 Homework due tomorrow 2.3.16 Unit 1 Test Friday 2.5.16

Turn in the yellow packet (if you havent done so already). Lab Completion Look at the results from yesterday. We will complete the table together. Step # Procedure 1 Add NaOH to

C opper (II) Nitrate 2 Place mixture into boiling water 3 Add HCl after mixture cools down 4

Place aluminum wire into mixture. 5 C ompare to sample of copper wire. Observations Evidence of Chemical Change

QUIZ 20 minutes No cellphones. Answer all questions on the paper. No communication between students. Do your best! Unit 1 Subtopic 5: BASIC ATOMIC STRUCTURE - What is an atom made of? - Arrangement of Subatomic Particles History of the Atom

How Small is the Atom? Atomic Structure Atoms are the smallest unit of any element that has all its properties. Atoms have two main sections the

nucleus and the shells. The nucleus contains protons and neutrons. Atomic Structure Electrons are negatively charged

particles. Their mass is negligible (very close to 0). Protons are positively charged particles. They have a mass of 1 atomic mass unit (a.m.u.). Neutrons are neutral they have no charge. They have a mass of 1 a.m.u. Atoms have the same number of protons and electrons. This makes Atomic Structure Copy and label the diagram of

the atom. Copy and complete the table. PARTICLE NAME LOCATIO N MASS 1

amu Shells CHAR GE SYMB OL +1 p+ n0 e- PARTICLE LOCATIO MASS CHAR

NAME N GE +1 1 amu Shells SYMB OL p+ n0 e-

ATOMIC STRUCTUREHistory of the Atom Watch this video and write down the names of any 4 scientists that contributed to atomic structure. Create a product that: States the contribution of your scientist to atomic structure. (at least 5 points) Contains a picture of the scientists

opinion of what the atom looks like. HISTORY OF THE ATOM Exit Quiz 1. 2. 3. Name the three subatomic particles. In a neutral atom, there are always equal amounts of __________ and _________.

The mass of the atom comes from the nucleus where __________ and __________ are found. Warm Up 1. 2. 3. 4. 5. 6.

Define the word atom. Neutrons, protons and electrons are described as the three ____________ particles. What two particles must be in equal amounts to make atoms neutral? What are the symbols used to represent each of the three particles found in the atom? Where are electrons found? The most dense region of the atom is the _____________. Unit 1 Subtopic 6: ATOMIC STRUCTURE - Subatomic particles (recap) - Ions - Isotopes

*** Remember NOTES are in blue!*** AGENDA ESSENTIAL QUESTION: What are atoms made of?? Warm Up & Reminderss The Atom Atoms go deeper Isotopes & Ions Allotropes Exit Quiz

Home Work ANNOUNCEMENTS Home Work Due TODAY Turn it in!!! Check Quiz Grade online retakes are possible. Unit 1 Test Friday

ATOMIC STRUCTURE Quick Recap: Atoms are the smallest part of an element with the properties of that element. Atoms have a nucleus with protons and neutrons. This is surrounded by shells that hold electrons.

So what does that look like? Diagram of the Bohr the Atom: Model of Atomic Structure Niels Bohr came up with the simplified model of the atom. Look at these examples of Bohr models

of different atoms: Info from the Periodic Table: (Use the Periodic Table from the pink reference sheet in the bin on your desk) Atomic number = # protons = # electrons Atomic Mass number = # protons + # neutrons

Element Mass # Atomic # # of Protons # of Electrons # of Neutrons Hydrogen

1 1 1 1 0 Helium 4 2

2 2 2 Lithium 7 3 3 3

4 Atomic Structure: Lets practice drawing the Bohr model of these elements: R E M E M

B E R Hydrogen Sodium Phosphorus Sulfur Boron Chlorine Atomic Structure: Ions Atomic Structure: Ions Atomic Structure: Ions

Ions are atoms that have lost or gained electrons. They do this to achieve a noble gas configuration to be more stable. They have unequal numbers of positively and negatively charged particles. Atomic Structure: Ions This causes them to have a charge attached to their symbol. This charge is referred to as the oxidation number.

If an atom loses electrons, it will have a positive charge (cation). Eg. Mg+2 is a Magnesium ion with 12 protons but 10 electrons. If an atom gains electrons, it will have a negative charge (anion). Eg P-3 is a Phosphorus ion with 15 protons but 18 electrons.

Warm Up 1. Define the terms: 1. 2. 2. 3. 4. 343.05 x 63.9 Sara weighs 75kg. How many grams does she weigh? Give an example of each of the following: 1. 2.

3. 4. 5. Cation Anion Heterogeneous mixture Homogeneous mixture Compound Element What are the 2 regions of the atom? What is found in each region?

AGENDA ESSENTIAL QUESTION: What are atoms made of?? Warm Up & Announcements Isotopes & Ions Allotropes Density Exit Quiz Home Work Study for Unit 1 Test

ANNOUNCEMENTS Home Work OVERDUE Turn it in!!! Check Quiz Grade online retakes are possible. Retake options

During A-Lunch (Thursday / Friday) During tutoring (After school Monday / Tuesday) Unit 1 Test Friday ION NOTATION Complete the following table: Proto Electr Ion Symb ns

ons ol S216 18 K+ Ba2+ Fe3+ Fe2+ F2- How many electrons lost / gained? Gained 2 Atomic Structure: Isotopes

Isotopes are atoms that have different numbers of neutrons. This causes them to have different mass numbers. E.g. Hydrogen has three isotopes: hydrogen,

deuterium and tritium Everything ISOTOPE NOTATION on this slide = NOTES NUCLEAR NOTATION ISOTOPE NOTATION Element Name Neutron s

Uranium_____ 145 Chlorine_____ 28 Oxygen_____ 9 Boron_______ 6

Beryllium5 ____ Hydrogen 1 -___ Carbon- 8 Proton s Electro Mass ns #

Atomi c# Nucle ar Notati on Atomic Structure: Allotropes Allotropes are different forms of the same element.

Allotropes have the same number of protons, neutrons and electrons but their atoms are connected to each other in a different way. DIFFERENTIATING BETWEEN ATOMS, IONS & ISOTOPES Work with your group to:

Create a paper plate model of the ATOM on your paper. Draw a diagram of the isotope on your paper. Describe how many electrons the ion given has lost or gained. Attach each item to a large sheet of Atomic Structure: Lets Practice Complete the ions and isotopes worksheet.

DENSITY DENSITY Density is measured in g/mL or g/ cm3 Mass is measured in g Volume is measured in mL or cm3 The more dense something is, the more likely it is to sink in water. Density examples

What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3 A cup of gold colored metal beads was measured to have a mass 425 grams. The volume of the beads was calculated to be 48.0 cm3. Given the following densities, identify the metal. Gold = 19.3g/mL; Copper = 8.86g/mL; Bronze = 9.87g/mL I threw a plastic ball in the pool for my dog to fetch. The mass of the ball was 125 grams. What

must the volume be to have a density of 0.500 g/ mL. Warm Up 1. Define the terms: 1. 2. 2. 3. 4. 343.05 + 63.9

Sara weighs 35kg. How many centigrams does she weigh? Define each of the following: 1. 2. 3. 4. 5. Isotope Allotrope Heterogeneous mixture Homogeneous mixture Compound

Element What are the charges of each subatomic particle? WARM UP What is the difference between: 1. 2. 3. 4. An atom and an ion? Anions and cations?

An ion and an isotope? An isotope and an allotrope AGENDA ESSENTIAL QUESTION: Have I master ed Unit 1?? Warm Up & Reminders Station Review Kahoot! Home Work

Study for tomorrows test. ANNOUNCEMENTS: Unit 1 Test Monday Tutoring: Monday 2:30-3:30 Tuesday 2:30-3:30 by

appointment DENSITY DENSITY Density is measured in g/mL or g/ cm3 Mass is measured in g Volume is measured in mL or cm3 The more dense something is, the more likely it is to sink in water. Density examples

What is the density of a piece of wood that has a mass of 25.0 grams and a volume of 29.4 cm3 A cup of gold colored metal beads was measured to have a mass 425 grams. The volume of the beads was calculated to be 48.0 cm3. Given the following densities, identify the metal. Gold = 19.3g/mL; Copper = 8.86g/mL; Bronze = 9.87g/mL I threw a plastic ball in the pool for my dog to

fetch. The mass of the ball was 125 grams. What must the volume be to have a density of 0.500 g/ mL. UNIT 1 REVIEW Can you: 1. 2. 3. Use appropriate significant figures and scientific notation? Explain the use of the metric

system and perform conversions? Categorize objects based on Unit 1 Review Stations (60 mins) Which area do you need the most work?

Visit every station starting with that topic. Answer the questions at each station (5 questions from each station do at least 30 questions). Then visit the other stations and complete the questions from each station. SUPER WARM UP 1. 2.

How are particles arranged in solids, liquids and gases? Jordan has a 25cL cup of soda. A. B. 3. 4. 5. 6. 7. How many significant figures is that? How many liters of soda is in his cup?

What are the five indicators of chemical change? What are the three indicators of physical change? What classification of matter is water (H2O)? Draw an atom of Fluorine. How many protons, neutrons & electrons? How many protons, neutrons and electrons are there in Mg+2? AGENDA

Warm up Multiple Intelligences Review Future Friday TEST After-test essay Home Work Intro to the Periodic Table of the Elements Packet MULTIPLE INTELLIGENCES REVIEW

Collect your multiple intelligences survey. Identify your strength(s). Write down two things you should do to help you study based on your strength. Place your multiple intelligences survey and your two things in your binder / folder. FUTURE FRIDAY

PATCH PROGRAM Patch Website TEST Write on the test paper. Show calculations.

You may use a calculator. You may put one earphone in, but I should not hear your music. No communication between students. You may use your metric staircase. When you are done, complete your aftertest essay. HAPPY 3-DAY WEEKEND! Do your home work! Relax and have fun New topic next week The Electron and The Periodic Table of the Elements.

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