Question

How many electrons in an atom can have each of the following quantum number or sublevel designations?

(a) n = 2, l = 1, m_l = 0

(b) 5s

(c) n = 4, l = 2

Write the full ground-state electron configuration for the following. (Type your answer using the format 1s2 2s2 2p6 for 1s²2s²2p⁶.)

(a) Co

(b) Mg

(c) K

Starting with the previous noble gas, write the condensed ground-state electron configuration of an atom of the following elements. (Type your answer using the format [Ar] 3d10 4s2 for [Ar]3d¹⁰4s².)

(a) scandium

(b) antimony

(c) silver

(d) lead

Please answer all. I'm so confused.