Modern Chemistry: chapter 1 Flashcards


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book cover
Modern Chemistry
Chapter 1
chap 1
Subjects:
chemistry, science
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1

chemistry is the study of

composition, structure, and property of matter

2

Organic chemistry

carbon containing compounds

3

Inorganic chemistry

non-organic substances (non-carbon)

4

Physical chemistry

energy (matter and properties and changes)

5

Analytical chemistry

identification of components and compositons of materials

6

Biochemistry

living things

7

Theoretical chemistry

mathematic and computers

8

Basic research

sake of knowldege

9

Applied research

goals defined by specific needs

10

Technological Developmenr

employs exisiting knowledge and makes life easier or more convient

11

Matter

anything that takes up space and has mass

12

Atom

smallest unit of an element that maintains the chemical identity of that element

13

extensive property

DEPENDS on the amount of matter present

14

Intensive property

DOES NOT depend on the amount of matter present

15

solid

definite volume and definite shape

16

liquid

definite volume and indefinite shape

17

gas

neither definite volume or definite shape

18

plasma

high temperature physical state of matter in which atoms lose their elements

19

chemical property

substances ABILITY to undergo changes that transform into different substances

20

change

change where 1 or more substances are converted into different substances (think chemical reaction)

21

reactants

substances that react (starting substance)

22

product

substances that are formed

23

homogenous

uniform

24

heterogenous

non-uniform

25

mixture

blend of two or more kinds of matter in which each retains irs own identity and properties

26

If it is a pure substance and can be separated into simpler substances, what is it?

compound

27

If it is a pure substance and can not be separated into simpler substances, what is it?

element

28

If it is a mixture and is uniform throughout, what is it?

homogenous

29

If it is a mixture and is not uniform throughout, what is it?

heterogenous

30

elements serve as

the building blocks of matter

31

vertical columns on the periodic table

groups or families

32

rows on the periodic table

periods

33

metals ability to be flattened or rolled into thin sheets

malleability

34

metals ability to be drawn into a fine wire

ductile

35

most nonmetals are _____ at room tempertature

gases

36

non metals are on what side of the table

right side

37

metals are on what side of the table

to the left of the staircase

38

the staircase is composed of what

metalloids

39

metalloids tend to be ____

semi-conductors

40

metalloids are ______ at room temperature

solids

41

how many elements are metalloids?

6

42

noble gases are what group?

18

43

noble gases are generally ____

unreactive

44

quantity is what?

how many of a substance is there

45

quality is what?

the way the substance is. color, texture, smell, etc.