Electron Configuration of Lead: A Deep Dive

The video tutorial explains how to write both the expanded and shorthand electron configurations for lead using the periodic table. It begins by dividing the periodic table into quantum blocks and subshells, then details the process of filling electrons into the lowest energy orbitals according to the Aufbau principle. The expanded configuration is built step-by-step, while the shorthand configuration uses the noble gas preceding lead, Xenon, to simplify the process.

What is the first step in writing the electron configuration for lead?

• Divide the periodic table into blocks

• Start with the lowest energy orbital

• Identify the noble gas preceding lead

• Count the number of electrons in lead

Which columns make up the s block in the periodic table?

• First two columns including helium

• Last six columns

• Transition metals

• Inner transition metals

At which principal quantum number (N) does the p subshell start?

• N = 4

• N = 3

• N = 2

• N = 1

How many electrons are needed to fill the 1s orbital?

• 4

• 2

• 1

• 3

Which element begins to fill the 2p subshell?

• Carbon

• Nitrogen

• Boron

• Beryllium

Tags

NGSS.HS-PS1-1

How many electrons are required to completely fill a p subshell?

• 2

• 4

• 8

• 6

Which element starts the 4s subshell?

• Calcium

• Titanium

• Potassium

• Scandium

Tags

NGSS.HS-PS1-1

How many electrons are needed to fill the 3d subshell?

• 6

• 8

• 10

• 12

What is the shorthand electron configuration for lead?

• [Ar] 4s2 3d10 4p6

• [Ne] 3s2 3p6

• [Kr] 5s2 4d10 5p6

• [Xe] 6s2 4f14 5d10 6p2

Tags

NGSS.HS-PS1-1

Which noble gas precedes lead in the periodic table?

• Krypton

• Argon

• Xenon

• Neon

Tags

NGSS.HS-PS1-1