Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Physical Science > Test 1 > Flashcards

Test 1 Flashcards

1
Q

Precision

A

All in one area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Accuracy

A

Close to bullseye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Theory

A

Something you can’t prove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Law

A

Happens all the time in nature

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

of sig figs 008.0030

A

5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

of sig figs in 0.00800

A

3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

of sig figs in 5000? What about 5000.?

A

0, 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Matter

A

All physical material in the universe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Atoms are usually found in a ______ State

A

Combined

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Molecules can be

A

Two of the same atoms or two different atoms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Elements are the

A

Building blocks of matter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A pure substance

A

Cannot be separated into simpler substances by physical means

Has definite and constant chemical+physical properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Example of definite chemical+physical properties

A

Melting/boiling points

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A pure ELEMENT is

A

A pure substance that consists of only one type of ATOM

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Pure COMPOUND is

A

A pure substance that has MORE THAN ONE TYPE of atom

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Allotropes are?

A

Elements which have a different number of atoms in the molecule. They have different chemical and physical properties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Individual elements and compounds are all _____

A

Pure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Is NaCl pure?

A

Yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Is NaCl+H2O pure?

A

No it has two compounds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

6 main elements in the human body?

A

CHNOPS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

When a substance goes through a ______ change, its physical appearance changes, but its chemical nature does not

A

Physical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

When a substance changes it’s composition, it undergoes a ____ change

A

Chemical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Kelvin Scale

A

Same increment as Celsius

Absolute zero is -273.15°C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Celsius

A

Water freezes at 0°

Boils at 100°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Fahrenheit

A

Water freezes at 32°

Boils at 212°

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Density formula

❤️

A

M
—
V

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Density is measured in

A

g/cm^3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Density of 1g of pure water has a volume of _____

A

1cm^3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

If matter is NOT uniform throughout then it is _____

A

Heterogeneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

If matter IS uniform throughout then it is ______

A

Homogeneous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

If a pure substance CAN be decomposed chemically into something simpler, then the substance is a _______

A

Compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

A mixture ________ a chemical combining of substances

A

Is not

33
Q

In a compound the ______ are _______ combined so that the elements that make up the compound ______ their identities and ______ take on a new set of properties

A

Atoms
Chemically
Lose
Do

34
Q

The smallest identifiable unit of a compound is a(n) ______ which is made up of ________s which are chemically bonded

A

Element

Atoms

35
Q

T/F A mixture is always made up of a combination of elements

A

False

36
Q

In a mixture of the substances ________ their identities

A

Retain

37
Q

In a mixture of the substances involved ______ be separated by a simple physical process

A

Can

38
Q

And a compound the elements involved _______ be separated by a simple physical process because the elements are ______ bonded

A

Cannot

Chemically

39
Q

T/F An element can be broken down into a simpler substance

A

False

40
Q

The smallest identifiable unit of an element is a(n) ________

A

Element

41
Q

Hydrogen

A

H

42
Q

Helium

A

He

43
Q

Lithium

A

Li

44
Q

Beryllium

A

Be

45
Q

Boron

A

B

46
Q

Carbon

A

C

47
Q

Nitrogen

A

N

48
Q

Oxygen

A

O

49
Q

Fluorine

A

F

50
Q

Neon

A

Ne

51
Q

**Sodium

A

Na

52
Q

Magnesium

A

Mg

53
Q

Aluminum

A

Al

54
Q

Silicon

A

Si

55
Q

Phosphorus

A

P

56
Q

Sulfur

A

S

57
Q

Chlorine

A

Cl

58
Q

Argon

A

Ar

59
Q

**Potassium

A

K

60
Q

Calcium

A

Ca

61
Q

Titanium

A

Ti

62
Q

Chromium

A

Cr

63
Q

Manganese

A

Mn

64
Q

**Iron

A

Fe

65
Q

Cobalt

A

Co

66
Q

Nickel

A

Ni

67
Q

*copper

A

Cu

68
Q

Zinc

A

Zn

69
Q

Arsenic

A

As

70
Q

Bromine

A

Br

71
Q

**silver

A

Ag

72
Q

Iodine

A

I

73
Q

**Gold

A

Au

74
Q

**mercury

A

Hg

75
Q

**Lead

A

Pb

76
Q

**Krypton

A

Sn

77
Q

**Tin

A

Sn

78
Q

**Tungsten

A

W

79
Q

Radon

A

Rn

Physical Science (3 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions