Electron Configuration and Orbitals

The video tutorial from Moomoomath and Science explains the electron configuration of aluminum and silicon using the diagonal rule method. It begins with an introduction to the method and a detailed explanation of the diagonal chart, which helps in determining the electron configuration of elements. The video then provides a step-by-step guide to finding the electron configurations of aluminum and silicon, including their atomic numbers and the use of noble gas notation. The tutorial concludes with a list of exceptions to the diagonal rule and encourages viewers to subscribe for more educational content.

What method is used in the video to explain the electron configuration of elements?

• Lewis dot structure

• Bohr model

• Diagonal rule method

• VSEPR theory

How many electrons can the s orbital hold?

• 2

• 6

• 10

• 14

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

• 2

• 6

• 10

• 14

What is the electron configuration of aluminum using the diagonal rule?

• 1s² 2s² 2p⁶ 3p²

• 1s² 2s² 2p⁶ 3s² 3d¹

• 1s² 2s² 2p⁶ 3s² 3p²

• 1s² 2s² 2p⁶ 3s² 3p¹

What is the atomic number of aluminum?

• 15

• 14

• 13

• 12

What is the electron configuration of silicon using the diagonal rule?

• 1s² 2s² 2p⁶ 3p²

• 1s² 2s² 2p⁶ 3s² 3d²

• 1s² 2s² 2p⁶ 3s² 3p¹

• 1s² 2s² 2p⁶ 3s² 3p²

What is the atomic number of silicon?

• 12

• 14

• 13

• 15

Which orbital can hold up to 10 electrons?

• d orbital

• s orbital

• f orbital

• p orbital

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