put host here chapter 1 vocabulary chapter 1 key points

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Page 1: put host here Chapter 1 Vocabulary Chapter 1 Key Points

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Page 2: put host here Chapter 1 Vocabulary Chapter 1 Key Points

Chapter 1 Vocabulary

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Chapter 1 Key Points

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Chapter 2 Vocabulary

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Chapter 2 Key Points

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Chapter 4

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Calculations

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Page 9: put host here Chapter 1 Vocabulary Chapter 1 Key Points

What is matter?

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Anything that has mass and

occupies space

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What is the study of the composition of matter?

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Chemistry

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Which branch of chemistry deals with the rate when matter undergoes a change?

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Physical chemistry

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What is research that is directed

toward a practical goal or

application?

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Applied Chemistry

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What is a well-tested explanation

for a set of observations?

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Theory

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How is chemistry

useful?

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Explains the natural world, prepares people

for career opportunities, and produces informed

citizens

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What are the steps in the

scientific method?

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Making observations,

testing hypotheses, and developing

theories

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How do chemists study the universe?

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They gather data and analyze

matter brought back to Earth

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Who helped transform chemistry

to the science of measurement that it

is today?

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Lavoisier

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What are the five traditional areas

of study in chemistry?

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Organic, inorganic,

biochemistry, analytical, and

physical

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What is the measure of the

amount of matter an object contains?

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Mass

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The property that depends on the type of

matter

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Intensive

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What can be observed without

changing the substance’s

composition?

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Physical property

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What can be compressed?

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Gas

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What is a phase?

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Any part of a sample with

uniform composition and

properties

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What are the three states of

matter?

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Solid, liquid, and gas

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What are the two types of

physical changes?

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Reversible and

irreversible

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Extensive or intensive? Plastic vs

paper bags

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Intensive

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What has to happen in a

chemical change?

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The composition

has to change

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What are four possible clues to a chemical

change?

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Transfer of energy, colour change, production of a

gas, or a precipitate

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Who believed atoms were

indivisible and indestructible?

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Democritus

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What are the three types of

subatomic particles?

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Electrons, protons, and

neutrons

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What two subatomic

particles have almost the same

weight?

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Protons and neutrons

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What does the atomic

number refer to?

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The number of protons

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What makes up most of the volume of an

atom?

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The electrons

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How many protons, neutrons, and

electrons are there in fluorine-19?

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9, 10, 9

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How many protons, neutrons, and electrons are

there in Manganese-55?

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25, 30, 25

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Argon has three isotopes with mass number 36, 38, and

40. Which isotope is the most abundant?

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Argon-40

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Chlorine-35 (34.97amu, 75.77%)

Chlorine-37 (36.97amu, 24.23%)

Find atomic mass

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35.45amu

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78.92amu (50.69%) and 80.92amu (49.31%) Find atomic mass of

bromine

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79.91amu

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Law of Conservation

of Mass

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Oxygen and hydrogen react to form water.

6g of hydrogen produced 54g of water.

How much oxygen was used?

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48g