Electron Configurations and Lead

The video tutorial explains how to write the shorthand electron configuration for lead, atomic number 82. It begins by identifying the last filled noble gas, xenon, and proceeds to fill the electron states, including the f block. The tutorial covers the completion of the configuration with d and p blocks and discusses alternative notations. It concludes with a brief mention of exceptions like copper and silver, which will be covered in a separate video.

What is the atomic number of lead?

• 80

• 81

• 82

• 83

Which noble gas is used as the reference point for the electron configuration of lead?

• Argon

• Radon

• Xenon

• Krypton

What is the electron configuration notation for the 6s orbital in lead?

• 6s2

• 6s0

• 6s1

• 6s3

How many electrons are in the 4f orbital for lead?

• 12

• 13

• 14

• 15

What is the electron configuration notation for the 5d orbital in lead?

• 5d10

• 5d9

• 5d8

• 5d11

What is the electron configuration notation for the 6p orbital in lead?

• 6p1

• 6p4

• 6p2

• 6p3

In what order are the orbitals sometimes listed in textbooks?

• Alphabetically

• By principal quantum number

• By energy level

• By atomic number

Which elements are known for having exceptions in their electron configurations?

• Gold and Platinum

• Zinc and Cadmium

• Copper and Silver

• Iron and Nickel

Why might it be simpler to follow the order across the periodic table when writing electron configurations?

• It is more intuitive

• It is required by IUPAC

• It is faster

• It reduces errors

What is the significance of the d block in electron configurations?

• It is always filled first

• It has no significance

• It can have exceptions

• It is the last to be filled