The only noble gas that does not have the ns2np6 valence electron configuration is ________.
A) radon
B) neon
C) helium
D) krypton
E) All noble gases have the ns2np6 valence electron configuration.
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: The most common sulfur ion has a
Q105: The most common and stable allotrope of
Q107: Which group 6A element is a metal?
A)tellurium
Q108: Which element would be expected to have
Q109: The element(s)_ could be used to produce
Q116: The reaction of a metal with a
Q118: Of the halogens,which are gases at room
Q120: Cl2 (g)+ H2O (l)→ _
A)HCl (aq)+ HOCl
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