Cobalt Electron Configuration Concepts

The video tutorial explains how to draw the atomic orbital diagram for cobalt. It begins by identifying cobalt's atomic number and electron count, then details the process of writing its electron configuration. The tutorial continues with constructing the orbital diagram, emphasizing the arrangement and pairing of electrons in energy levels. The video concludes with a brief summary and thanks from Dr. B.

What is the first step in drawing the atomic orbital diagram for cobalt?

• Determine the number of neutrons

• Calculate the atomic mass

• Find the electron configuration

• Identify the valence electrons

How many electrons does a neutral cobalt atom have?

• 30

• 25

• 29

• 27

Which energy level is filled after 2s in the electron configuration of cobalt?

• 3s

• 4s

• 3p

• 2p

What is the electron configuration notation for the 3d subshell in cobalt?

• 3d5

• 3d6

• 3d8

• 3d7

What is the purpose of the orbital diagram notation?

• To describe electron positions around the nucleus

• To calculate atomic mass

• To determine the number of protons

• To find the atomic radius

In the orbital diagram, how are electrons represented?

• As arrows

• As circles

• As numbers

• As lines

How are electrons arranged in the 2p subshell of cobalt's orbital diagram?

• All in one direction

• Randomly

• Spread out first, then paired

• Paired immediately

What is the final subshell filled in the electron configuration of cobalt?

• 3d

• 2p

• 4s

• 3p

How many electrons are in the 4s subshell of cobalt?

• 1

• 2

• 3

• 4

What is the total number of electrons in the 3d subshell for cobalt?

• 6

• 5

• 7

• 8