Atomic Structure and Electron Configuration

The video tutorial explains how to draw the atomic orbital diagram for potassium. It begins with identifying potassium on the periodic table and determining its electron configuration. The tutorial then guides viewers through the process of drawing the orbital diagram, explaining the arrangement of electrons in energy levels and shells. The video concludes with additional resources for learning more about electron configurations.

What is the atomic number of potassium?

• 21

• 20

• 19

• 18

How many electrons does a neutral potassium atom have?

• 17

• 18

• 19

• 20

Which of the following is the correct electron configuration for potassium?

• 1s2 2s2 2p6 3s2 3p5 4s2

• 1s2 2s2 2p6 3s2 3p6 3d1

• 1s2 2s2 2p6 3s2 3p6 4p1

• 1s2 2s2 2p6 3s2 3p6 4s1

In the electron configuration of potassium, which shell is filled after 3p6?

• 4p

• 5s

• 4s

• 3d

What is the purpose of an atomic orbital diagram?

• To display the atomic mass

• To indicate the element's reactivity

• To represent the distribution of electrons

• To show the number of protons

In an atomic orbital diagram, what do the arrows represent?

• Electrons

• Photons

• Neutrons

• Protons

How are electrons arranged in the p orbitals of the atomic orbital diagram?

• All in one orbital

• Spread out first, then paired

• All paired immediately

• Randomly distributed

What is the final orbital occupied in the atomic orbital diagram of potassium?

• 4p

• 4s

• 3d

• 3p

Which of the following is a correct representation of the atomic orbital diagram for potassium?

• 1s2 2s2 2p6 3s2 3p6 4s1

• 1s2 2s2 2p6 3s2 3p5 4s2

• 1s2 2s2 2p6 3s2 3p6 4p1

• 1s2 2s2 2p6 3s2 3p6 3d1

What is an alternative way to represent the atomic orbital diagram?

• Using energy levels

• Using electron spin

• Using atomic mass

• Using atomic number