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1

the scientific discipline which studies matter

chemistry

2

2 types of chemistry

organic
inorganic

3

the study of carbon and its compounds

organic chemistry

4

the study of all other elements

inorganic chemistry

5

3 other disciplines that use chemistry

biology
physics
geology

6

2 fundamental properties in the universe

energy and matter

7

anything that has mass and takes up space

matter

8

3 physical states of matter

solid
liquid
gas

9

2 kinds of matter

pure substance
mixture

10

matter that always has definite and constant somposition

pure substance

11

physical combination of 2 or more substances

mixture

12

True/False:

mixture keep their own identities and physical properties

13

2 types of pure substances

element
compound

14

pure substance that cannot be chemically separated into simpler substances

element

15

a chemical combination of 2 or more different elements

compound

16

True/False: compounds always have definite composition

True

17

What's the smallest unit of an element

atom

18

what's the smallest unit of a compound

molecule

19

chemistry deals with _____, _____, and _____ of matter

composition
properties
changes

20

the way different parts of matter are put together

structure

21

2 types of properties

physical
chemical

22

Type of property:

observed without attempting to change a substance

physical

23

Type of property:

observed when attempting to change a substance

chemical

24

2 types of changes of matter

physical
chemical

25

Type of change:

a process that does not alter composition of substance

physical

26

Type of change:

a process that changes composition of substance

chemical

27

logical process used to acquire new knowledge in any science

scientific method

28

4 steps to scientific method

1. problem
2. facts
3. hypothesis
4. theory

(experimentation)

29

procedure for obtaining more info about a problem

experimentation

30

a hypothesis that has been tested and validated over a long period of time

theory