Electron Configuration and Orbitals

The video tutorial explains how to determine the electron configuration for silicon. It begins by identifying the number of electrons using the atomic number from the periodic table. The tutorial then guides viewers through the process of filling the electron orbitals, starting with the 1s orbital and moving through the 2s, 2p, 3s, and 3p orbitals, ensuring the total number of electrons equals 14. The video concludes with a complete electron configuration for silicon.

What is the first step in determining the electron configuration for silicon?

• Identifying the element's mass

• Locating the element's group

• Finding the atomic number on the periodic table

• Counting the number of neutrons

How many electrons can the 1s orbital hold?

• Eight

• Six

• Two

• Four

After filling the 1s orbital, which orbital is filled next?

• 2s

• 2p

• 3s

• 3p

How many electrons can the 2p orbital accommodate?

• Six

• Two

• Eight

• Four

What is the total number of electrons used after filling the 2p orbital?

• Eight

• Ten

• Twelve

• Fourteen

Which orbital is filled after the 2p orbital?

• 3s

• 1s

• 3p

• 2s

How many electrons are placed in the 3p orbital for silicon?

• Two

• Eight

• Four

• Six

What is the final electron configuration for silicon?

• 1s² 2s² 2p⁶ 3s² 3p⁶

• 1s² 2s² 2p⁴ 3s² 3p²

• 1s² 2s² 2p⁶ 3s² 3p⁴

• 1s² 2s² 2p⁶ 3s² 3p²