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Chem 101 > Exam 1 > Flashcards

Exam 1 Flashcards

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1
Q

Ammonium

A

+NH4

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2
Q

Hydroxide

A

-OH

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3
Q

Acetate

A

CH3CO2-

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4
Q

Cyanide

A

-CN

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5
Q

Carbonate

A

CO3^(2-)

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6
Q

Bicarbonate

A

HCO3-

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7
Q

Carbonic Acid

A

H2CO3

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8
Q

Nitrate

A

NO3-

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9
Q

Nitrite

A

NO2-

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10
Q

Sulfate

A

SO4^(2-)

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11
Q

Sulfite

A

SO3^(2-)

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12
Q

Phosphate

A

PO4^(3-)

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13
Q

Phosphite

A

PO3^(3-)

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14
Q

Per chlorate

A

ClO4-

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15
Q

Chlorate

A

ClO3-

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16
Q

Chlorite

A

ClO2-

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17
Q

Hypochlorite

A

ClO-

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18
Q

Permangonate

A

MnO4-

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19
Q

Chromate

A

CrO4^(2-)

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20
Q

Dichromate

A

Cr2O7

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21
Q

Proton charge

A

+1

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22
Q

Neutron charge

A

0

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23
Q

Electron charge

A

-1

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24
Q

Formula for average mass

A

Avg mass= (mass)(abundance)

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25
Q

List light colors from lowest to highest frequency (ROYGBIV)

A

Red, orange, yellow, green, blue, indigo, voliet

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26
Q

What shape is an s orbital

A

Sphere

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27
Q

What shape is a p orbital

A

Dumbbell

28
Q

What shape is a d orbital

A

4 leaf clover

29
Q

Periodic table organization of element sizes from smallest to largest

A

Left and down

30
Q

How is ionic size determined for elements?

A

By superscript

31
Q

How is IE organized on the p. table?

A

As you move right and up IE increases

32
Q

What kind of bond is a nonmetal + nonmetal

A

Covalent bond

33
Q

What kind of bond is a metal + metal

A

Metallic bond

34
Q

What kind of a bond is a metal + nonmetal

A

Ionic bond

35
Q

What is the first step of the Born-Haber cycle? (Copper lab)

A

Sublimation (metal to gas)

36
Q

What is the second step of the Born-Haber cycle?

A

Break non metal X2 to X

37
Q

What is the third step of the Born-Haber cycle?

A

Ionize metal

38
Q

What is the fourth step of the Born-Haber cycle?

A

Electron affinity of nonmetal

39
Q

What is the last step of the Born-Haber cycle?

A

Add up to find lattice energy

40
Q

How to determine lattice energy?

A
  1. Bigger charges
  2. Closer radius
41
Q

How to determine EN

A

Left to right and bottom to top

42
Q

What elements cannot have more than an octet

A

C, N, O, F

43
Q

Which element wants 4 VE?

A

Be

44
Q

What elements want 6 VE?

A

B and Al

45
Q

How to calculate FC

A

FC= VE-lone pairs-bonds

46
Q

How to calculate BO in Lewis structures

A

BO= # bonds/# resonance structures

47
Q

How to determine if a compound is polar?

A
  1. Different elements
  2. Lone pairs
48
Q

How to determine if a compound is nonpolar?

A
  1. A C H bond
  2. Symmetric
  3. No lone pairs
49
Q

Shape of compound with 2 bonds and no lone pairs

A

Linear

50
Q

Shape of compound with 3 bonds and no lone pairs

A

Trigonal planar

51
Q

Shape of a compound with 2 bonds and 1 lone pair

A

Bent

52
Q

Shape of a compound with 4 bonds and no lone pairs

A

Tetrahedral

53
Q

Shape of a compound with 3 bonds and 1 lone pair

A

Trigonal pyramidal

54
Q

Shape of a compound with 2 bonds and 2 lone pairs

A

Bent

55
Q

Shape of a compound with 5 bonds and no lone pairs

A

Trigonal bipyramidal

56
Q

Shape of a compound with 4 bonds and one lone pair

A

See saw

57
Q

Shape of a compound with 3 bonds and 2 lone pairs

A

T-shaped

58
Q

Shape of a compound with 2 bonds and 3 lone pairs

A

Linear

59
Q

Shape of a compound with 6 bonds and no lone pairs

A

Octahedral

60
Q

Shape of a compound with 5 bonds and one lone pair

A

Square pyramidal

61
Q

Shape of a compound with 4 bonds and 2 lone pairs

A

Square planar

62
Q

What are sigma bonds

A

Bonds that can rotate

63
Q

What are pi bonds

A

Bonds that can’t rotate (the second and third bonds between two elements)

64
Q

Bond order of MO diagram

A

(Electrons-electrons with star)/2

65
Q

Paramagnetic

A

At least one unpaired e-

66
Q

Diamagnetic

A

All paired e-

Chem 101 (1 decks)

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