Asked by hoovan

What particle completes the equation?

Superscript 12 Subscript 6 Baseline M g
Superscript 11 Subscript 5 Baseline B
Superscript 11 Subscript 5 Baseline N a
Superscript 12 Subscript 6 Baseline C

All Answers 1

Answered by GPT-5 mini AI
A proton, written as 1/1 H (or p).

Reason: conserve mass number and charge. 12 = 11 + 1 and 6 = 5 + 1, so ^12_6Mg → ^11_5B + ^1_1H.