Which one of the following atoms has the largest radius?
A) Sr
B) Ca
C) K
D) Rb
E) Y
Correct Answer:
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Q101: Which periodic table group contains only metals?
A)8A
B)2A
C)6A
D)7A
E)5A
Q102: Which periodic table group contains only nonmetals?
A)8A
B)2A
C)6A
D)7A
E)5A
Q103: Which nonmetal exists as a diatomic solid?
A)bromine
B)antimony
C)phosphorus
D)iodine
E)boron
Q105: The most common and stable allotrope of
Q113: All the elements in group 8A are
Q115: The element phosphorus exists in two forms
Q118: Of the halogens,which are gases at room
Q139: In which orbital does an electron in
Q152: Which metal is a liquid at room
Q159: [Kr]5s2 is the electron configuration for _.
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