Atomic Numbers and Electron Configurations

Question 1

Which of the following is not a valid set of quantum numbers?

Revolt · Accepted Answer

C: n = 3, l = 3, m = 3

Question 2

What is the correct representation for the subshell with n = 2 and l = 1?

Revolt · Accepted Answer

A: 2p

Question 3

Which of these diagrams correctly shows the electron configuration for the atom with one more electron than the one shown above?

Revolt · Accepted Answer

B:

Question 4

Which is the correct electron configuration for sodium (Na)?

Revolt · Accepted Answer

B: 1s22s22p63s1

Question 5

Which element is this?

Revolt · Accepted Answer

C: nitrogen (N)

Question 6

Question 6

Revolt · Accepted Answer

B: potassium (K)

Question 7

1s22s22p63s23p64s23d104p5Which element is this?

Revolt · Accepted Answer

B: bromine (Br)

Atomic Numbers and Electron Configurations Answers