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Inorganic Chemistry > Chapter 8 > Flashcards

Chapter 8 Flashcards

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1
Q

What are main Group elements?

A

S and P block elements

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2
Q

What is Group 1 name?

A

Alkali Metals→ phicogens/ prictogens

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3
Q

What is group 2 name?

A

Alkaline earths → chalcogens

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4
Q

What is group 13 name?

A

Triel elements → halogens J

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5
Q

What is group 14 name?

A

Tetrel elements → noble gases

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6
Q

Main group elements characterized by s/p electrons following________?

A

Octet rule
Metals give up electrons to achieve filled valence shell
Nonmetal accepts electrons to achieve filled valence shell

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7
Q

Insulator elements?

A

H__[n]

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8
Q

Semiconductor elements?

A

B_[n]

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9
Q

Metal element?

A

Li__[n]

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10
Q

What is the conductor “band” between the conduction band and valence band?

A

There is no band gap

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11
Q

What are the semiconductor “bands” between the conduction band and the valence band?

A

There are small band gap

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12
Q

What are insulator “band” between the conduction band and valence band?

A

There are large band gap

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13
Q

What is the highest occupied energy level of metal called?

A

Fermi level

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14
Q

Conductor are?

A

They are metals and have highest electrical with thermal conductivity at room temp

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15
Q

What are semiconductors conduct?

A

They are electricity under the influence of heat or light energy.

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16
Q

What is an insulator do not conduct?

A

They don’t conduct electricity under the influence of heat or light.

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17
Q

The elements have___ because of same valence.

A

Within a group have similar reactivities

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18
Q

What are the first row anomaly?

A

Li, Be, B, C, N, O, F

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19
Q

What is the difference result from the first row anomaly?

A

The smaller Size and higher electronegativity

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20
Q

What are the diagonal relationships from the periodic table?

A

The atomic radius increase diagonally,the electronegativity values are almost closer to each other, exhibit similar physiochemical properties such as li, mg and B, si, as, Te

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21
Q

What is the 1s electron configuration in the periodic table?

A

Alkali Metals

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22
Q

When the octet have one é is a?

A

They are halogens such as Hz like X2 and H- are x-

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23
Q

What happening when placing hydrogen with Carbon (group iv)?

A

Half-filled valence shell
Electronegativity is about the same
Covalent bond formation favored over ionic

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24
Q

What are most abundant element in the universe, found mostly in stars and space?

A

Hydrogen

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25
What are the second most abundant element?
He → helium
26
When hydrogen gain an é what noble gas configuration it make?
Hydride= H- Inorganic reducing agent are NaBH4 and LiALH4
27
When hydrogen losses one é it become?
H+= proton Can form hydrogen bonds
28
What are thermal cracking?
Is the breakdown of a large alkane into smaller, more useful alkanes Formal:CnHn+2 →CnHn+H2
29
What is the steam reforming?
The chemical synthesis for producing syngas, hydrogen, Carbon monoxide from hydrocarbon fuels such as natural gas.
30
What is coal gasification?
The process of producing syngas a mixture of consisting primarily of carbon monoxide (co), hydrogen(H2), Carbon dioxide (c02), methane(ch4), and water vapor → from coal and water
31
What are 5 main use for hydrogen?
Power generation and grid balancing Transportation Industry Feedstock Residential and commercial building→gas grid/ combined heat and power
32
What are Group 1a alkali metal?
Li, Na, K, Rb, Cs, Fr -highly reactive and low melting points -stored in oil to prevent reaction with water and air
33
What is group1a chemical properties?
Have the lowest ionization energy of all element Excellent reducing agents 2 Na+ 2 H2O→2 naoh + Hz (exothermic)
34
What is the reactivity of Li?
Li → slow
35
What is the reactivity of Na?
Vigorous
36
What is the reactivity of K?
Flammable
37
What is the reactivity of Rb/Cs?
Violent
38
What is the ion mobility of Cs, rb, k, Na, Li?
Cs+ > Rb+ > K+ > Na+ > Li+
39
What are the alkali metal ion (M+) that forms Lewis acid/ Lewis base complexes?
They make crown ethers Size selective for specific alkali metal cation Such as 18 crown are K+ 15 crown are Na+ 12 crowns are Li+
40
What is alkyl-lithium (RLi)?
It self-ignite in air and strong non-polar reducing agents
41
What is alkalaides electron configuration?
They have an ns2 electron configuration, element such as be, mg, ca, sr The element have extremely powerful reducing agents
42
What is group 2a name?
Alkaline earths → chalcogens
43
What element in group 2a are abundant?
Ca and mg
44
What element in group 2a are less abundant?
Sr and Ba Sulfates and carbonates
45
What element in group 2a are even less abundant?
Be → used in alloy that reduces corrosion and Increase the Strength
46
What element in group 2a are radioactive ?
Ra →Radium
47
What element in group 2a that are acidic?
Be that likes oxygen
48
What element in 2a are basic?
Mg, Ca, sr, ba
49
What elements is in group 13 a?
B, Al, Ga, In, TI
50
What elements are nonmetals similar to C and si?
Boron
51
What are the cage compounds in Group 13 a?
Boranes → boron hydrides
52
What is a borazine?
It a inorganic benzene =B3N3H6
53
What is a diamond-like structure?
Boron nitride
54
What types of structure that similar of graphite?
Hexagonal boron nitride Stronger van der waal forces between sheets
55
What structure and hardness is similar to those of diamond?
Cubic boron nitride Have an sp3 hybridized High temperature and high pressure
56
What elements in group 14 element?
It known as Carbon Group, elements: C, si, Ge, sn, Pb
57
What elements in group 14 elements are metals?
Sn and Pb
58
What element in group 14a that semi - metal?
Si that is a metalloid and Ge
59
What is the element in group 14a are nonmetal?
Carbon → known as Charcoal and diamond until 1700
60
What is linkage of atoms of the same elements into longer chains, sheets, or ring structures?
Catenation
61
What is the tendency for catenation decreases? And form multiple bonds?
C > Si > Ge > sn >Pb
62
What elements that are semiconductors used in optics and electronics?
Si and Ge
63
What is the element when molecules with Si-H bonds?
Silanes = pyrophoric
64
What pair of elements that do not exhibit inert pair effects?
C and Si → only Stable C 4+ Si 4+
65
What element exhibit the inert pair effects?
Ge, sn, and Pb (M2+ or M4+ are stable)
66
What elements ase in group 15 A?
The elements are N, P, As, Sb, Bi

Inorganic Chemistry (1 decks)

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