Electron Configuration Quiz

What is the atomic number of nitrogen?

• 6

• 5

• 8

• 7

How many electrons can the 2P sublevel hold?

• 8

• 6

• 4

• 2

What is the electron configuration for an atom of aluminum?

• 1s2 2s2 2p6 3s2 3p3

• 1s2 2s2 2p6 3s2 3p2

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p1

How many electrons does an Fe 2+ ion have?

• 25

• 24

• 27

• 26

Which sublevel do you remove electrons from first when forming a Fe 2+ ion?

• 4s

• 3d

• 2p

• 3p

What is the electron configuration for Fe 2+?

• 1s2 2s2 2p6 3s2 3p6 4s1 3d5

• 1s2 2s2 2p6 3s2 3p6 3d5

• 1s2 2s2 2p6 3s2 3p6 3d6

• 1s2 2s2 2p6 3s2 3p6 4s2 3d4

How many electrons does a chloride ion (Cl-) have?

• 16

• 17

• 18

• 19

What is the electron configuration for a chloride ion (Cl-)?

• 1s2 2s2 2p6 3s2 3p5

• 1s2 2s2 2p6 3s2 3p6

• 1s2 2s2 2p6 3s2 3p4

• 1s2 2s2 2p6 3s2 3p3