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group properties of elements Flashcards

(89 cards)

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1
Q

horizontal rows

A

period

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2
Q

how many periods are there?

A

7

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3
Q

vertical rows

A

family/group

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4
Q

elements in a group have ________________

A

similar chemical properties

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5
Q

in period, elements are arranged in ______________

A

increasing atomic number

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6
Q

group VIII A

A

Inert gases

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7
Q

group IA

A

alkali metals

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8
Q

group IIA

A

alkaline earth metals

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9
Q

group VIA

A

chalcogens

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10
Q

group VIIA

A

halogend

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11
Q

group IB

A

coinage metals

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12
Q

group IIB

A

volatile metals

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13
Q

inner transition elements

A

lanthanides and actinides

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14
Q

starts with group IIIB ends with group IIB

A

transition elements

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15
Q

metallic elements are ___________ except alkali metals

A

protein precipitants

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16
Q

___________ are toxic

A

heavy metals

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17
Q

equally acidic and basic

A

amphoteric

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18
Q

aka diagonal elements

A

bridge elements

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19
Q

___________ are called representative elements

A

group a

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20
Q

__________ are called transition metal groups

A

group b

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21
Q

1st member of the family can be quite unlike the other members. It more closely resembles the second member of the adjacent group to the right.

A

bridge elements

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22
Q

measure of the energy required to remove an electron by overcoming the attractive forces of the nucleus.

A

ionization potential

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23
Q

metals have _______ IP, readily form ________

A

decreased, cations

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24
Q

non-metals have ________ IP

A

increased

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25
Attraction of the nucleus for an electron
electronegativity
26
metals have ________ electronegativity, thus __________
decreased, electropositive
27
nonmetals have _____________ electronegativity, especially halogens
increased
28
nonmetals attract additional electrons to form _________
anions
29
known as noble gases
group viii a
30
what elements are under group VIII A
He, Ne, Ar, Kr, Rn
31
group VIII A occur in the __________ except _____
atmosphere, radon
32
Ar, Ne, Kr, and Xe are produced from liquid air by ____________
fractional distillation
33
Radon is recovered from the natural decay products of _________
radium
34
_____________ are monoatomic, colorless, and odorless
inert gases
35
inert gases except helium follow the _________
octet rule
36
2nd most lightest gas
helium
37
It is chemically inert. It does not support combustion
helium
38
Carrier/diluent for medically important gases
helium
39
Component of artificial gas
helium
40
Toxicity (inhalation): Donald duck-like sound
helium
41
Aka: “New”
neon
42
Used in advertising
neon
43
Aka: “Lazy”
argon
44
Most abundant and most widely distributed among all noble gases.
argon
45
argon is a by-product of the fractionalization of liquid for the production of ________ and __________
oxygen and nitrogen
46
Substitute of nitrogen in providing inert atmosphere.
argon
47
It is used to prevent the blackening of light bulbs
argon
48
Aka: “Hidden”
krypton
49
Least abundant among noble gases
krypton
50
Have inhalational anesthetic activity
krypton
51
The sparsity of these elements in nature imposes severe limitations on such use
krypton
52
Aka: “Stranger”
xenon
53
Investigational with inhalational anesthetic activity.
xenon
54
Both ______________ has fairly high lipid solubility
xenon and krypton
55
virtually equal with ethylene in terms of anesthetic activity.
xenon
56
Aka: “Niton”
radon
57
Synthetic noble gas
radon
58
Used in the treatment of cervical cancer
radon
59
It emits alpha particles
radon
60
Recovered from the natural decay products of Radium
radon
61
Comprises the most reactive of all the metallic elements
Group IA
62
Group IA elements have ________ activity with increasing atomic number
increased
63
__________ give alkaline solutions
hydroxides
64
Degree of solvation decreases with _____________ atomic number
increasing
65
Have low melting points
group 1A elements
66
Stable chemically; does not form complexes.
group 1A elements
67
_______________ are ionic, usually colorless and soluble in water
group ia or alkali metals
68
Only ________ and _________ are regularly hydrated in crystalline form
lithium and sodium
69
aka: inflammable air
hydrogen
70
lightest element
hydrogen
71
isotopes of hydrogen
protium, deuterium, tritium
72
most abundant isotope of hydrogen
protium
73
heavy hydrogen (isotope of hydrogen)
deuterium
74
radioactive (isotope of hydrogen)
tritium
75
Aka: “Earth”
lithium
76
Lightest of all metals
lithium
77
Bridge element - resembles Mg
lithium
78
used as depressant and diuretic
lithium
79
heat exchanger in aircon
lithium
80
Burning lithium forms ________
normal oxide
81
________-has no physiological role and is toxic
lithium
82
important compound of lithium used as depressant
lithium bromide
83
Aka: “Natrium”
sodium
84
Most abundant extracellular cation
sodium
85
Used with caution in the treatment of cardiac and renal condition in which edema is a problem
sodium
86
Cation of choice to optimize the pharmaceutical utility of organic medicaments
sodium
87
Resembles K
ammonium
88
solution of ammonia in water.
ammonium hydroxide
89
Solutions of ammonium salts are ____
acidic

chem lec (3 decks)

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