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Atomic and ionic radius
By Sandra Kuhn
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Last updated about 1 year ago
5 questions
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1
1
1
2
7
Question 1
1.
What occurs when an atom of chlorine forms a chloride ion?
the chlorine atom gains an electron, and its radius becomes smaller
the chlorine atom gains an electron, and its radius becomes larger
the chlorine atom loses an electron, and its radius becomes smaller
the chlorine atom loses an electron, and its radius become larger
Question 2
2.
Which atom has the largest atomic radius?
potassium
rubidium
francium
cesium
Question 3
3.
Which ONE of the following electron configurations represents an
ion
of an alkali metal?
1s
2
1s
2
2s
2
1s
2
2s
2
2p
5
1s
2
2s
2
2p
6
3s
1
Question 4
4.
How does the ionic and atomic radius of sodium compare with those of sulphur?
A
B
C
D
Question 5
5.
Categorize each given characteristic to describe the reason for the trends in atomic radius on the Periodic Table
number of protons increase
atomic number increases
number of energy levels increase
electron shielding
electron replusion
number of energy levels remains the same
strong effective nuclear charge
Atomic radius trend down a group (top to bottom)
Atomic radius trend across a period (left to right)