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Chemistry Chapter 6 The Periodic Table Review Flashcards | StudBud
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Chemistry Chapter 6 The Periodic Table Review
Chemistry Chapter 6 The Periodic Table Review
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1
A single 3s electron in a magnesium atom is shielded by:
1s, 2s, 2p, & other 3s electron
1s, 2s & 2p electrons
1s & 2s electrons only
2s & 2p electrons only
2
The number of valence electrons for group 13 elements are ____.
7
6
3
13
3
What period is this element in: 1s
2
2s
2
2p
6
3s
2
3p
6
3d
10
4s
2
4p
6
?
6
5
4
3
4
How many valence electrons do oxygen family members have?
7
6
5
8
5
How many valence electrons do carbon family members have?
3
4
5
2
6
What kind of ion will a fluorine atom tend to form?
F+
F^2-
F-
Fl^2+
7
How many valence electrons do alkaline earth metals have?
1
2
3
7
8
[Rn]7s
1
is located in which block?
f
d
p
s
9
Carbon, having four valence electrons, belongs to which group?
Group 14
Group 2
Group 8
Group 4
10
A poor conductor of heat & electricity, has a wide range of chemical properties, & tends to gain electrons.
Nonmetal
Metalloid
Metal
11
Which of the following is NOT a property of most transition metals?
low melting point
ability to conduct electricity
ability to conduct heat
malleability
12
The number of valence electrons for Group 2 elements is
equal to the period number
2
n-1
8
13
What ion will most likely be formed from a strontium atom?
Sr^2+
Sr^3+
S+
St+
14
early method of organizing the elements into groups of three
law of octives
tetrads
teritary
triads
15
Properties of nonmetals include
ductility
ability to conduct heat.
high boiling point.
dull appearance.
16
How many valence electrons do alkali metals have?
4
1
3
2
17
Metals can be made into sheets. This property of metals is called _____.
conductivity
elasticity
malleability
ductility
18
Metal
atoms generally have a _____ attraction for electrons.
strong
low
high
lack of
19
As the atomic number increases within a group of elements, the atomic radius
decreases regularly
varies unpredictably
generally increases
remains generally constant
20
Phosphorus, having five valence electrons, belongs to which group?
2
15
10
5
21
[Rn]5f
3
7s
2
is located in which block?
d
f
p
s
22
The
most
reactive metal is _____.
tin
cesium
magnesium
potassium
23
Organized known elements into groups of three called triads.
Henry Moseley
John Newlands
Johann Dobereiner
Dmitri Mendeleev
24
Nonmetal
atoms generally have a _____ attraction for electrons.
lack of
high
negative
low
25
How many valence electrons do noble gases have?
7
2
3
8
26
How many valence electrons do MOST transition elements have?
2
number varies
3 -14 depending on group
7
27
How many valence electrons do halogens have?
8
2
3
7
28
What type of elements are the lanthanides and actinides?
metalloids
none of these as they are all synthetic
metals
nonmetals
29
The energy required to remove an electron from a neutral atom of an element.
Electronegativity
Electron affinity
Ionization energy
30
How does the reactivity of the alkali metals change from top to bottom within the group?
Reactivity decreases
Reactivity increases
Reactivity is constant
reactivity is variable - no specific trend
31
How many valence electrons do nitrogen family members have?
5
8
7
6
32
In what
period
is the element with the electron configuration [Rn]5f
14
6d
10
7s
2
7p
4
located?
5
6
7
4
33
What kind of ion will a sulfur atom tend to form?
S+
S^2+
S^2-
S-
34
metalloid used in glass to help prevent it from breaking or cracking with rapid temperature changes
tellurium
boron
silicon
sellenium
35
Which of the following elements has chemical properties similar to beryllium?
aluminum
strontium
potassium
lithium
36
If two bonded atoms have the SAME electronegativity:
their shared pair of e-will lie close to only 1 of the bonded atoms
there will be no sharing of e-
their shared pair of e- will lie exactly in the center
37
The electrons available to be gained, lost, or shared in the formation of chemical compounds
valence electrons
inner electrons
kernel electrons
core electrons
38
How many valence electrons does rubidium have?
2
7
3
1
39
What ion will most likely be formed from a rubidium atom?
Rb^2+
Ru+
Rb+
Rb-
40
The energy change when an electron is acquired by a neutral atom.
ionization energy
electron affinity
lattice energy
electronegativity
41
Alkaline earth metals have ________ electronegativity values than halogens.
lower
the same
higher
42
How many valence electrons does lithium have?
3
1
2
4
43
When a neutral atom is converted to a cation, its size always _____.
increases and then decreases
remains the same
decreases
increases
