Electron Configuration and Atomic Orbitals

This video tutorial explains the atomic orbital diagram for zinc (Zn). It begins by discussing zinc's atomic number and electron configuration, detailing the step-by-step process of filling the energy levels. The tutorial then explains how to draw the atomic orbital diagram, illustrating the arrangement of electrons around the zinc nucleus. The video concludes with a visual representation of the orbital diagram, emphasizing the electron distribution in zinc.

What is the primary purpose of creating an atomic orbital diagram?

• To determine the atomic mass of an element

• To visualize the arrangement of electrons around the nucleus

• To calculate the number of neutrons in an atom

• To predict the chemical reactivity of an element

What is the atomic number of zinc?

• 31

• 29

• 30

• 28

How many electrons can the 2p orbital hold?

• 2

• 4

• 6

• 8

Which energy level does the 3d orbital belong to?

• Fifth

• Fourth

• Third

• Second

In the electron configuration of zinc, which orbital is filled after 4s?

• 3p

• 3d

• 4p

• 4d

What is the electron configuration notation for the 4s orbital in zinc?

• 4s1

• 4s2

• 4s3

• 4s4

How are electrons arranged in the atomic orbital diagram?

• In pairs with opposite spins

• In groups of three

• In a single line

• Randomly

Which orbital is typically written after 3d in transition metals?

• 4p

• 4s

• 3p

• 2s

What is the significance of the atomic orbital diagram?

• It shows the atomic mass

• It predicts chemical reactions

• It determines the number of protons

• It illustrates electron placement around the nucleus

What is the final electron configuration for zinc?

• 1s2 2s2 2p6 3s2 3p6 3d10 4s2

• 1s2 2s2 2p6 3s2 3p6 4s2 4p6

• 1s2 2s2 2p6 3s2 3p6 4s2 3d10

• 1s2 2s2 2p6 3s2 3p6 4s2 3d8