Multiple Choice
Helium,neon and argon are _____.
A) extremely stable because they have vacancies in their outer shells
B) extremely stable because they don't have any vacancies in their outer shells
C) extremely unstable because they have vacancies in their outer shells
D) extremely unstable because they don't have any vacancies in their outer shells
E) extremely unstable because they have vacancies in their inner shells
Correct Answer:
Verified
Correct Answer:
Verified
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