Electron Configuration - Fall 2021

A configuration of 1s²2s¹ means the element is in

• period 1 row 1

• period 1 row 2

• period 2 group 1

• period 2 group 2

The s orbital holds this many electrons

• 1

• 2

• 6

• 10

The s orbital has this many sublevels

• 1

• 2

• 3

• 5

The p orbital holds this many electrons

• 2

• 3

• 6

• 10

How many p sublevels are there?

• 2

• 3

• 5

• 7

How many d sublevels are there?

• 2

• 5

• 7

• 10

How many f sublevels are there?

• 3

• 5

• 7

• 14

The d orbital holds this many electrons

• 2

• 5

• 10

• 14

The f orbital holds this many electrons

• 2

• 5

• 7

• 14

What is the correct electron configuration for K?

• 1s²2s¹2p⁶3s²3p⁶4s¹

• 1s²2s²2p⁶3s²3p⁶4s¹

• 1s²2s²2p⁶3s²3p⁶3d¹

• 4s¹