Atom: Electron Configuration

What is the electron configuration of hydrogen?

• 1s^1

• 2p^1

• 1s^2

• 2s^1

How many electrons can the first energy level hold?

• 2

• 8

• 4

• 6

What is the electron configuration of carbon?

• 1s2 2s1 2p3

• 1s2 2s3 2p1

• 1s2 2s3 2p2

• 1s2 2s2 2p2

Which sublevel comes after 3p?

• 3s

• 3f

• 3d

• 3q

What is the electron configuration of oxygen?

• 1s2 2s4 2p2

• 1s2 2s3 2p3

• 1s2 2s3 2p5

• 1s2 2s2 2p4

How many electrons can the d sublevel hold?

• 10

• 12

• 14

• 8

What is the electron configuration of nitrogen?

• 1s2 2s2 2p3

• 1s2 2s3 2p1

• 1s2 2s1 2p4

• 1s2 2s3 2p2

What is the maximum number of electrons that can occupy the 4d sublevel?

• 5

• 12

• 8

• 10

What is the electron configuration of sodium?

• 1s2 2s2 2p6 3s1

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6 4s1

• 1s2 2s2 2p6 3s3

How many electrons are in the 2p sublevel?

• 4

• 6

• 2

• 8