Answer: A
Aloha is the one that loses a helium
5 Valence electrons .......... Hope it helps, Have a nice day:)
Convert the mass to moles .
85.1 g ÷ 20.18 g/mol = 4.21704658
convert the moles to molecules
4.2170 mol × 6.022^23 molecules/mol = 2.539^24
