SECTION 1.1 DIFFICULTY LEVEL
2. Which is the electronic configuration that describes a neutral carbon atom?
a) 1s
2
, 2s
2
, 2p
5
b) 1s
2
, 2s
2
, 2p
6
, 3s
2
c) 1s
2
, 2s
2
, 2p
2
d) 1s
2
, 2s
2
, 2p
6
Answer: c
2. Which is the electronic configuration that describes a neutral carbon atom?
a) 1s
2
, 2s
2
, 2p
5
b) 1s
2
, 2s
2
, 2p
6
, 3s
2
c) 1s
2
, 2s
2
, 2p
2
d) 1s
2
, 2s
2
, 2p
6
Answer: c