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Flashcards in chem chapt 2 test Deck (51)
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0
Q

A measure of the space occupied by a sample of matter

A

Volume

1
Q

A measure of the amount of matter that an object contains; the SI base unit is kilograms

A

Mass

2
Q

A property that depends on the amount of matter in a sample

A

Extensive property

3
Q

A property that depends on the type of matter in a sample, not the amount

A

Intensive property

4
Q

Matter that has a uniform and definite composition, either an element or a compound

A

Substance

5
Q

A quality or condition of a substance that can be observed or measured without changing the substance’s composition

A

Physical property

6
Q

Form of matter that has a definite shape and volume

A

Solid

7
Q

Form of volume that flows, has a fixed volume, and an indefinite shape

A

Liquid

8
Q

Form of matter that takes the shape and volume of its container, no definite shape or volume

A

Gas

9
Q

Describes the gaseous state of a substance that is generally liquid or solid at room temperature

A

Vapor

10
Q

A change during which some properties of a material change, but the composition does not change

A

Physical change

11
Q

A physical blend of two or more substances that are not chemically combined

A

Mixture

12
Q

A mixture that is not uniform in composition, components are not evenly distributed throughout the mixture

A

Heterogenous mixture

13
Q

A mixture that is uniform in composition, components are evenly distributed and not easily distinguished

A

Homogenous mixture

14
Q

Any part of a sample with a uniform composition and properties

A

Phase

15
Q

Simplest form of matter that has a unique set of properties

A

Element

16
Q

Contains two or more elements chemically combined into a fixed proportion

A

Compound

17
Q

Chemical or Physical Change? Boiling water

A

Physical

18
Q

Chemical or Physical Change? Frying an egg

A

Chemical

19
Q

Chemical or Physical Change? A rusting bicycle

A

Chemical

20
Q

Ability to stretch into a wire, ability to twist or bend

A

Ductility

21
Q

Chemical or Physical Property? Temperature

A

Physical

22
Q

Chemical or Physical Property? Sour taste

A

Physical

23
Q

Chemical or Physical Property? Dissolves in water

A

Physical

24
Q

Chemical or Physical Property? Flammable

A

Chemical

25
Q

Chemical or Physical Property? Malleable

A

Physical

26
Q

Ability to be hammered thin without breaking

A

Malleable

27
Q

Physical or Chemical Change? Paper burns

A

Chemical

28
Q

Physical or Chemical Change? Milk sours

A

Chemical

29
Q

Physical or Chemical Change? Pancakes cook

A

Chemical

30
Q

Physical or Chemical Change? Fireworks explode

A

Chemical

31
Q

Physical or Chemical Change? Paper towel absorbs water

A

Physical

32
Q

Physical or Chemical Change? Food is digested

A

Chemical

33
Q

Physical or Chemical Change? Heat changes water into steam

A

Physical

34
Q

Physical or Chemical Change? A piece of ice melts and reacts with sodium

A

Both

35
Q

Homogenous or Heterogenous? Salt water

A

Homogenous

36
Q

Homogenous or Heterogenous? Cake batter

A

Either is acceptable

37
Q

Homogenous or Heterogenous? Paint

A

Heterogenous

38
Q

Homogenous or Heterogenous? Cooking oil

A

Homogenous

39
Q

Element or Compound? Sodium

A

Element

40
Q

Element or Compound? Table sugar

A

Compound

41
Q

Element or Compound? Air

A

Neither, mixture

42
Q

What is redox a combination of? What is an acronym to help remember?

A

Oxidation + Reduction
OIL RIG
Oxidation is loss, reduction is gain (of electrons)

43
Q

Extensive or Intensive? Mass

A

Extensive

44
Q

Extensive or Intensive? Color

A

Intensive

45
Q

Extensive or Intensive? Density

A

Intensive

46
Q

Extensive or Intensive? Length

A

Extensive

47
Q

How is the periodic table organized?

A

Idk help we need to know this

48
Q

What is the term that distinguishes heterogenous from homogenous?

A

Idk help we need to know this

49
Q

Releases heat

A

Exothermic

50
Q

Absorbs heat

A

Endothermic