answer to Question will be 2 electron as it forms 2H+
Look at the periodic table to find the charge on atoms.
Magnesium is +2 and Nitrogen is -3. Since there are two nitrogen charge 2*-3 = -6 there needs to be 3 Mg then (3*2+ = 6+) to pair with the two nitrogen.
3 Mg(+2) + 2 N(-3) = Mg3N2
Sunlight i think thats the answer
About 7-8 years More. The real answer would be 7.14285714286
