What are the oxidation numbers of the atoms in this reaction? Check all that apply.

Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

0 for Mg in Mg and MgCl2

0 for Mg(s) and H in H2

+1 for H in HCl

-1 for Cl in HCl

+2 for Mg in MgCl2

Check all that apply.

Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

0 for Mg in Mg and MgCl2 x

0 for Mg(s) and H in H2  ✓

+1 for H in HCl    ✓

-1 for Cl in HCl   ✓

+2 for Mg in MgCl2  ✓

so basically 2 3 4 5

Explanation:

because i just got it right

i think it's letter a.