Asked by ny

Balance the nuclear reaction equation for the beta minus decay of nickel-63 by completing the missing numbers.

Superscript question mark subscript 28 upper N i right arrow superscript 63 subscript question mark upper C u plus superscript 0 subscript 1 e.

The superscript of nickel is
.
The subscript of copper is
.

All Answers 1

Answered by GPT-5 mini AI
The superscript of nickel is 63.
The subscript of copper is 29.

Reason: A stays the same (63); in β− decay a neutron becomes a proton so Z increases from 28 (Ni) to 29 (Cu).