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Inorganic > 2C Main Group Elements > Flashcards

2C Main Group Elements Flashcards

1
Q

Most abundant elements in life

A

Oxygen, carbon, hydrogen, nitrogen, calcium, phosphorus

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2
Q

Most abundant elements on earth

A

Oxygen, silicon, aluminum

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3
Q

Most abundant elements in universe

A

Hydrogen, helium, oxygen

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4
Q

Protium composition

A

Hydrogen with one e one p

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5
Q

Deuterium composition

A

Hydrogen with one e one p one n

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6
Q

Tritium composition

A

Hydrogen with one e one p two n

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7
Q

Use for alkali metals

A

Reducing reagents, drying reagents

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8
Q

What alkali metal can react with nitrogen?

A

Lithium because it’s the only one hard enough

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9
Q

Where are the triels

A

Boron group

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10
Q

Where are the tetrels

A

Carbon group

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11
Q

A state is metastable if

A

It exists without observable change even though it is thermodynamically unstable with respect to another state

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12
Q

A group of MOs where the energy different between are so small that it behaves as continuous

A

Band

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13
Q

Occurs when there is a significant energy difference between two bands

A

Band gap

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14
Q

Incident photons raise electrons from valence band to conduction band

A

Photovoltaic effect

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15
Q

A material behaves as a semiconductor without addition of a dopant

A

Intrinsic semiconductor

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16
Q

Semiconductor that requires a dopant

A

Extrinsic semiconductor

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17
Q

Dopant

A

An impurity introduced in minute amounts to enhance electrical conductivity

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18
Q

Holes introduced above the energy levels of the valence band

A

P type

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19
Q

Extra electrons introduced below the energy levels of the conduction band

A

N type

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20
Q

Closo cluster

A

Closed

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21
Q

Nido cluster

A

One vertex missing

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22
Q

Arachno cluster

A

Two vertices missing

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23
Q

Where are the pnictogens

A

Nitrogen group

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24
Q

Composition of air

A

Mainly nitrogen, some oxygen, then other gases

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25
Q

Chemiluminsecent reaction

A

Reaction accompanied by the emission of light

26
Q

Accepted order of basicity of phosphines

A

Cy > Et > Me > Ph > OMe > OPh > Cl > F

27
Q

Where are the Chalcogens

A

Oxygen group

28
Q

Where are the halogens

A

Fluorine group

29
Q

Where are the noble gases

A

Helium group

30
Q

Hypochlorite

A

ClO-

31
Q

Oxidation number ClO-

A

+1

32
Q

Point group ClO-

A

C infinity v

33
Q

ClO- shape

A

Linear

34
Q

ClO- is a good…

A

Oxidizing agent

35
Q

Oxidation number ClO2-

A

+3

36
Q

Chlorite

A

ClO2-

37
Q

Oxidation number ClO3-

A

+5

38
Q

Chlorate

A

ClO3-

39
Q

Oxidation number ClO4-

A

+7

40
Q

Perchlorate

A

ClO4-

41
Q

Chlorite point group

A

C2v

42
Q

Chlorate point group

A

C3v

43
Q

Perchlorate point group

A

Td

44
Q

Chlorite shape

A

Angular

45
Q

Chlorite is a strong

A

Oxidizing agent

46
Q

Which chlorine oxoanion disproportionates

A

Chlorite

47
Q

Which chlorine oxoanion is a very weak ligand

A

Perchlorate

48
Q

Chlorate shape

A

Pyrimidal

49
Q

Perchlorate shape

A

Tetrahedral

50
Q

seebeck effect

A

power generation mode

51
Q

heat source like a lightbulb

A

seebeck effect

52
Q

peltier effect

A

refrigeration mode

53
Q

cooling side like a battery

A

peltier effect

54
Q

positive ΔH favors which direction

A

left to right

55
Q

positive ΔH requires or releases energy?

A

requires energy to be put in

56
Q

Lewis basicity and electron withdrawing groups

A

more electron withdrawing groups = less basic

57
Q

NX3 is always a

A

lewis base

58
Q

relationship between bond order and bond length

A

higher BO = shorter length

59
Q

common electron donors

A

N P O S F Cl

60
Q

common electron acceptors

A

B Al Si C

61
Q

Most common intrinsic semiconductors

A

Ge and Si

Inorganic (16 decks)

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