Electron Configuration and Atomic Numbers

This video tutorial from Moomoomath and Science explains how to draw the electron configurations of carbon and boron using the diagonal rule. It begins by determining the number of electrons in carbon and boron based on their atomic numbers. The video then illustrates how to fill the orbitals using the diagonal rule, starting with the s orbital and moving through the p, d, and f orbitals. The tutorial also covers how to write electron configurations starting from a noble gas. Finally, it notes exceptions to the diagonal rule and concludes with a call to subscribe for more educational content.

What is the atomic number of carbon?

• 7

• 6

• 5

• 4

Which orbital can hold up to 6 electrons?

• f orbital

• d orbital

• p orbital

• s orbital

How many electrons can the d orbital hold?

• 6

• 14

• 10

• 2

What is the maximum number of electrons the f orbital can hold?

• 14

• 12

• 16

• 10

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

• 1s2 2s2 2p1

• 1s2 2s1 2p3

• 1s2 2s2 2p3

• 1s2 2s2 2p2

What is the atomic number of boron?

• 3

• 4

• 5

• 6

How is boron's electron configuration written using the diagonal rule?

• 1s2 2s2 2p0

• 1s2 2s2 2p2

• 1s2 2s1 2p2

• 1s2 2s2 2p1

Which of the following is an exception to the diagonal rule?

• Helium

• Copper

• Boron

• Carbon