Lead and Its Electron Configuration

This video tutorial explains how to write the electron configuration for lead (Pb) and its ions, Pb2+ and Pb4+. It covers the use of the periodic table and orbital blocks to determine electron configurations, including the condensed notation using noble gases. The video also discusses the removal of valence electrons to form lead ions, highlighting the changes in electron configuration as electrons are lost.

What is the atomic number of lead?

• 81

• 82

• 83

• 80

Which orbital block can hold up to 10 electrons?

• d

• p

• s

• f

In which orbital block does the electron configuration of lead end?

• p

• d

• f

• s

What is the condensed electron configuration notation for lead?

• [Kr] 5s2 4d10 5p6

• [Ne] 3s2 3p6

• [Xe] 6s2 4f14 5d10 6p2

• [Ar] 3d10 4s2 4p6

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

• Xenon

• Krypton

• Argon

• Neon

Which electrons are typically removed first when lead forms ions?

• Valence electrons

• Core electrons

• f-block electrons

• d-block electrons

What is the highest energy level in the electron configuration of lead?

• 4

• 5

• 6

• 7

How many electrons does lead lose to form a Pb2+ ion?

• 2

• 4

• 1

• 3

What is the charge of a lead ion after losing four electrons?

• 4+

• 2+

• 3+

• 5+

What happens to the charge of lead when it loses electrons?

• It becomes zero

• It becomes negative

• It becomes positive

• It remains neutral