Electron Configurations and Orbital Diagrams Explained

This video tutorial covers how to write electron orbital diagrams using the periodic table. It explains the structure of s, p, d, and f orbitals and demonstrates how to create box diagrams. Examples include nitrogen, magnesium, silver, and uranium, with tips on using diagonal lines for simplification. The video also covers shorthand notation and how to handle charged ions in electron diagrams.

What is the primary focus of this video tutorial?

• Learning about chemical reactions

• Understanding molecular geometry

• Writing electron orbital diagrams

• Balancing chemical equations

How many electrons can an s orbital hold?

• 1

• 2

• 6

• 4

Which orbital can hold a maximum of 10 electrons?

• f orbital

• d orbital

• p orbital

• s orbital

How many boxes are used to represent the p orbitals in a box diagram?

• 1

• 2

• 4

• 3

What is the electron configuration for nitrogen?

• 1s2 2s2 3p3

• 1s2 2p3 3s2

• 1s2 2s2 2p6

• 1s2 2s2 2p3

What is the atomic number of magnesium?

• 10

• 12

• 13

• 11

Which element's electron configuration ends in 4d9?

• Gold

• Silver

• Zinc

• Copper

What is the shorthand electron configuration for uranium?

• [Ar] 4s2 3d10 4p6

• [Kr] 5s2 4d10 5p6

• [Xe] 6s2 4f14 5d10

• [Rn] 7s2 5f3

What happens to the electron configuration of chlorine when it gains one electron?

• It becomes the same as neon

• It becomes the same as argon

• It becomes the same as sodium

• It becomes the same as magnesium

What is the electron configuration for Al2+?

• 1s2 2s2 2p5

• 1s2 2s2 2p6 3s2

• 1s2 2s2 2p6

• 1s2 2s2 2p6 3s1