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Chem 121 > Exam 1 > Flashcards

Exam 1 Flashcards

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1
Q

E

A

Exa

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2
Q

P

A

Peta

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3
Q

T

A

Tetra

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4
Q

G

A

Giga

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5
Q

M

A

Mega

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6
Q

k

A

Kilo

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7
Q

h

A

Hecto

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8
Q

da

A

Deka

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9
Q

d

A

Deci

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10
Q

c

A

Centi

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11
Q

m

A

Milli

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12
Q

n

A

Nano

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13
Q

p

A

Pico

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14
Q

f

A

Femto

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15
Q

a

A

Atto

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16
Q

Scientific notation for exa

A

10^18

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17
Q

Scientific notation for Peta

A

10^15

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18
Q

Scientific notation for Tera

A

10^12

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19
Q

Scientific notation for giga

A

10^9

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20
Q

Scientific notation for mega

A

10^6

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21
Q

Scientific notation for kilo

A

10^3

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22
Q

Scientific notation for deka

A

10^1

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23
Q

Scientific notation for deci

A

10^-1

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24
Q

Scientific notation for centi

A

10 ^-2

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25
Q

Scientific notation for milli

A

10^-3

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26
Q

Scientific notation for micro

A

10^-6

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27
Q

Scientific notation for nano

A

10^-9

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28
Q

Scientific notation for pico

A

10^-12

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29
Q

Scientific notation for femto

A

10^-15

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30
Q

Scientific notation for atto

A

10^-18

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31
Q

Number for exa

A

1,000,000,000,000,000,000

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32
Q

Number for peta

A

1,000,000,000,000,000

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33
Q

Number for Tera

A

1,000,000,000,000

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34
Q

Number for giga

A

1,000,000,000

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35
Q

Number for mega

A

1,000,000

36
Q

Number for kilo

A

1,000

37
Q

Number for hecto

A

100

38
Q

Number for deka

A

10

39
Q

Number for deci

A

0.1

40
Q

Number for centi

A

0.01

41
Q

Number for milli

A

0.001

42
Q

Number for micro

A

0.000 001

43
Q

Number for nano

A

0.000.000.001

44
Q

Number for pico

A

0.000.000.000.001

45
Q

How do you do metric unit conversions?

A
  1. Subtract exponents
  2. Move decimal amount in direction of wanted unit
46
Q

What is an ionic compound?

A

1 metal (+)
1 nonmetal (-)

47
Q

Charges of 1A (alkali metals)

A

+1

48
Q

Charges of 2A ( alkaline earth metals)

A

+2

49
Q

Charges of period 3 ( metalloids and metals)

A

+3

50
Q

Charges of period 4

A

Zero

51
Q

Charges of 6A ( chalcogens)

A

-3

52
Q

Charges of 7A ( halogens)

A

-2

53
Q

Charges of column 7 (Nobel gases)

A

-1

54
Q

Ammonium

A

NH4+

55
Q

Cyanide

A

CH-

56
Q

Hydroxide

A

OH-

57
Q

Acetate

A

C2H3O2-

58
Q

Perchlorate

A

ClO4-

59
Q

Chlorate

A

CLO3-

60
Q

Chlorite

A

CLO2-

61
Q

Nitrate

A

NO3-

62
Q

Nitrite

A

NO2-

63
Q

Carbonate

A

CO3 2-

64
Q

Chromate

A

CrO4 2-

65
Q

Sulfate

A

SO4 2-

66
Q

Sulfite

A

SO3 2-

67
Q

Phosphate

A

PO4 3-

68
Q

Phosphite

A

PO3 3-

69
Q

How do you find number of protons

A

The atomic number

70
Q

How do you find the number of neutrons?

A

Mass number - atomic number

71
Q

How do you find the number of electrons?

A

Atomic number - charge

72
Q

Group IA
Very reactive: malleable, ductile, good conductors
Want to get rid of an electron and form a cation

A

Alkali metals

73
Q

Fairly unreactive, malleable
High melting and boiling points, electrical conductivity
Low ionization energy

A

Transition Metals

74
Q

Very high electronegatives
Seven valence electrons
Highly reactive with alkali metals and alkaline earth
Low ionization energies

A

Halogens

75
Q

the 7 horizontal rows

A

Periods

76
Q

the 18 vertical columns

A

Groups

77
Q

all digits of measured quantity, including uncertain ones

A

Significant Figures

78
Q

all non zero numbers are sigs

A

First rule of sig figs

79
Q

zeros between 2 nonzero digits are sigs

A

Second rule of sig figs

80
Q

zeros at the beginning of a number are NEVER sigs

A

Third rule of sig figs

81
Q

zeros at the end of a number are sigs if it contains a decimal point

A

Fourth rule of sig figs

82
Q

When adding or subtracting with sig figs….

A

Answers are rounded to the LEAST significant decimal place

83
Q

When multiplying and dividing with sig figs….

A

Answers are rounded to the same number of digits as the number with FEWEST sig figs

84
Q

How many meters in 1 square centimeter?

A

0.0001 meters

85
Q

Using scientific notation

A

moving to the left means exponent has a positive value
moving to the right means exponent has a negative value

86
Q

Solid at room temperature ( except mercury)
Possess characteristics of metals and non metals
Brittle solids
Gain electrons easily

A

Metals, Metalloid, Gases, Nonmetals

Chem 121 (2 decks)

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