Atomic Structure & Periodic Table

What is the electron configuration of carbon?

• 1s2 2s2 2p2

• 1s2 2s3 2p3

• 1s2 2s3 2p1

• 1s2 2s1 2p3

How many electrons can the second energy level hold?

• 8

• 16

• 12

• 4

What is the electron configuration of oxygen?

• 1s2 2s3 2p3

• 1s2 2s2 2p4

• 1s2 2s2 2p3

• 1s2 2s1 2p5

What is the electron configuration of sodium?

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6 3s0

• 1s2 2s2 2p6 3s3

How many electrons are in the p sublevel?

• 2

• 6

• 4

• 8

What is the electron configuration of magnesium?

• 1s2 2s2 2p5 3s2

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 4s1

• 1s2 2s2 2p6 3s2

What is the electron configuration of chlorine?

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p5

• 1s2 2s2 2p6 3s2 3p3

• 1s2 2s2 2p6 3s2 3p6

How many electrons are in the d sublevel?

• 10

• 5

• 8

• 12

What is the electron configuration of sulfur?

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p3

• 1s2 2s2 2p6 3s2 3p2

• 1s2 2s2 2p6 3s2 3p6

How many electrons can the third energy level hold?

• 12

• 24

• 18

• 8