Chapter 1

Question 1

Matter

Answer 1

Anything that takes up space

Question 2

Atoms

Answer 2

Made from one type of element (o2)

Question 3

Compound

Answer 3

Two or more different atoms chemically bonded together

Question 4

Mixture

Answer 4

Two or more stirred or mixed together NO BOND

Question 5

Heterogeneous mixture

Answer 5

Visible pieces

Question 6

Homogeneous mixture

Answer 6

No visible pieces

Question 7

Chemistry

Answer 7

Using chemical substances and combing them to see different reactions

Question 8

Molecules

Answer 8

A group of atoms bonded together representing the smallest fundamental unit of a chemical compound

Question 9

Composition

Answer 9

Ratio of atoms in molecules of substances

Question 10

Physical property

Answer 10

Properties that change the physical nature of matter not chemical

Question 11

Chemical property

Answer 11

Properties that change the chemical nature of matter

Question 12

Qualitative

Answer 12

Quality over quantity

Question 13

Quantitative

Answer 13

Quantity over quality

Question 14

Element

Answer 14

Substance that cannot be broken down into simplier substances

Question 15

Solution

Answer 15

Homogeneous mixture composed of only one phase

Question 16

Scientific law

Answer 16

A statement based on repeated experimental observations that describe aspects of the universe

Question 17

Scientific theory

Answer 17

An explanation that can’t be proved

Question 18

Scientific theory

Answer 18

Problem
Observation research 
Hypothesis
Experiment
Collect analyze results 
Conclusion 
Communicate

Question 19

Law of constant composition

Answer 19

All samples of a chemical compound have the same elemental composition

Question 20

Law of definite proportions

Answer 20

Chemical compounds always contain the exact same proportion of elements by mass

Question 21

Atomic theory

Answer 21

Theory that states matter is composed of atoms