If a molecule has a total of 4 electron pairs, but 2 are lone pairs, the molecular geometry would be

answer; protein;

atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8

answerlinnaeus;