Electron Configuration and Orbitals

The video tutorial explains how to determine the electron configuration for neon. It begins by identifying the atomic number from the periodic table, which equals the number of protons and electrons. The tutorial then guides viewers through writing the electron configuration using the 1s, 2s, and 2p orbitals, ensuring the total number of electrons matches neon's atomic number. The final configuration for neon is 1s2 2s2 2p6.

What is the atomic number of neon, and what does it represent?

• 10, representing the number of protons and electrons

• 8, representing the number of neutrons

• 12, representing the number of protons

• 6, representing the number of electrons

How many electrons can the 1s orbital hold?

• Two

• Six

• Eight

• Four

After filling the 1s and 2s orbitals, how many electrons have been used?

• Four

• Six

• Eight

• Ten

What is the maximum number of electrons that the 2p orbital can hold?

• Two

• Six

• Eight

• Four

How many more electrons are needed to complete the electron configuration for neon after filling the 1s and 2s orbitals?

• Eight

• Six

• Four

• Two

What is the complete electron configuration for neon?

• 1s2 2s2 2p8

• 1s2 2s2 2p2

• 1s2 2s2 2p6

• 1s2 2s2 2p4