Electron Configurations of Lithium, Sulfur, and Cobalt

Which block in the periodic table is represented by the purple color?

• f block

• d block

• p block

• s block

What is the electron configuration for lithium?

• 1s^2 2p^1

• 1s^2 2s^2

• 1s^1

• 1s^2 2s^1

In which row and block is lithium located?

• Row 1, s block

• Row 2, p block

• Row 1, p block

• Row 2, s block

How many electrons can the p-block hold?

• 2

• 8

• 4

• 6

What is the electron configuration for sulfur?

• 1s^2 2s^2 2p^4 3s^2 3p^4

• 1s^2 2s^2 2p^6 3s^2 3p^2

• 1s^2 2s^2 2p^6 3s^2 3p^6

• 1s^2 2s^2 2p^6 3s^2 3p^4

Which noble gas is used in the shorthand notation for cobalt?

• Neon

• Argon

• Krypton

• Xenon

What is the shorthand electron configuration for cobalt?

• [Ne] 4s^2 3d^7

• [Ar] 4s^2 3d^6

• [Ar] 4s^2 3d^7

• [Ne] 4s^2 3d^6

At which row does the d-block start?

• Row 5

• Row 3

• Row 2

• Row 4

Why do elements in the d-block have their valence electrons in the s sublevel?

• Because the s sublevel is closer to the nucleus

• Because the d-block elements have more electrons

• Because the s sublevel is always filled first

• Because the d-block starts at row 3

Which sublevel do you remove electrons from first when ionizing a d-block element?

• d sublevel

• s sublevel

• f sublevel

• p sublevel