Electron Configuration & the Periodic Chart by Richard Louie

Which group of elements are sometimes called the s-block elements?

• Groups 1A and 2A

• Groups 3A and 4A

• Groups 5A and 6A

• Groups 7A and 8A

How many valence electrons do elements in group 3A have?

• 1

• 2

• 3

• 4

Which element has the end configuration of 5s^2?

• Te

• Br

• Al

• Sr

Which group of elements are sometimes called the p-block elements?

• Groups 3B-8B, 1B & 2B

• Groups 3A-8A

• Groups 6 and 7

• Groups 1A and 2A

How many valence electrons do elements in group 6A have?

• 3

• 6

• 4

• 5

Which element is in the transition region of period 4 with the end configuration of 4s^2 3d^6?

• Fe

• V

• Ti

• Sc

Which group of elements are sometimes called the d-block elements?

• Groups 3B-8B, 1B & 2B

• Groups 3A-8A

• Groups 6 and 7

• Groups 1A and 2A

Which element has the end configuration of 6s^2 4f^14 5d^7?

• Eu

• Pr

• Pu

• Ir

How many valence electrons do elements in group 4A have?

• 2

• 1

• 3

• 4

Which group of elements are sometimes called the f-block elements?

• Groups 1A and 2A

• Lanthanides and actinides

• Groups 3A-8A

• Groups 3B-8B, 1B & 2B