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