Which is the configuration of an atom in the ground state? A)
2-8-2
B)
2-6-1
C)
2-7-2
D)
2-7-3

A

Explanation:

The answer would be A because  if u subtract 2-8 u get -6  plus if u add  another two to the answer the whole answer would be two

the correct answer would be b) volume versus temperature, because they are also directly proportional.