1-What is the formula and name of the compound formed between Ca and N? Select one: Ca2N3; Calcium (II) Nitride Ca2N3; C

[answerhappygod]

1-What is the formula and name of the compound formed between Ca
and N?
Select one:
Ca2N3; Calcium (II) Nitride
Ca2N3; Calcium Nitride
Ca3N2; Tri Calcium Di Nitride
Ca3N2; Calcium Nitride
2-2 moles of N2 , 14 moles of He and 28
moles of H2 will have
the same number of atoms
the same weight
Since moles of H2 is maximum, it will have
the maximum weight
the same number of molecules
3-Which among the following is an electrolyte?
PCl3
KCl
NH3
CO2