Which quantum number describes the energy level of an electron? Spin quantum number
Principal quantum number
Magnetic quantum number
Angular momentum quantum number

The electron configuration for chromium is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 5 4 s 1 instead of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 4 4 s 1 . the configuration is an exception to the

What is the number of atoms in 3.54 mol s

What is the number of neutrons in an atom with atomic mass of 35