Which equation is balanced?

Question

Responses

2Al+F2→2AlF3
2 upper case A lower case L plus upper case F subscript 2 end subscript rightwards arrow 2 upper case A lower case l upper case F subscript 3 end subscript

Mg+O2→2MgO
upper case M lower case G plus upper case O subscript 2 end subscript rightwards arrow 2 upper case M lower case G upper case O

2Al+3O2→Al2O3
2 upper case A lower case L plus 3 upper case O subscript 2 end subscript rightwards arrow upper case A lower case L subscript 2 end subscript upper case O subscript 3 end subscript

2Na+F2→2NaF

Answer 1

2 upper case N lower case a plus upper case F subscript 2 end subscript rightwards arrow 2 upper case N lower case a upper case F