Atomic Structure: Electron Configuration

What is the electron configuration of carbon?

• 1s2 2s1 2p3

• 1s2 2s1 2p2

• 1s2 2s2 2p3

• 1s2 2s2 2p2

How many electrons can the second energy level hold?

• 8

• 6

• 12

• 2

What is the electron configuration of magnesium?

• 1s2 2s2 2p6 3s3

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p5 3s2

How many electrons can the third energy level hold?

• 18

• 25

• 7

• 10

What is the electron configuration of nitrogen?

• 1s2 2s2 2p4

• 1s2 2s2 2p2

• 1s2 2s2 2p3

• 1s2 2s2 2p6

What is the electron configuration of aluminum?

• 1s2 2s2 2p6 3s2 3p3

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 3s2 3p6

• 1s2 2s2 2p6 3s2 3p1

How many electrons can the first energy level hold?

• 5

• 2

• 3

• 10

What is the electron configuration of sulfur?

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p3

• 1s2 2s2 2p6 3s1 3p5

• 1s2 2s2 2p6 3s2 3p5

What is the electron configuration of silicon?

• 1s2 2s2 2p6 3s2 3p2

• 1s2 2s2 2p6 3s2 3p6

• 1s2 2s2 2p6 3s2 3p3

• 1s2 2s2 2p6 3s2 3p4