Question

Which statement about the balanced equations for nuclear and chemical changes is correct? (1 point)
Responses

A nuclear equation is balanced according to mass number. A chemical equation is balanced according to the total mass before and after the change.
A nuclear equation is balanced according to mass number. A chemical equation is balanced according to the total mass before and after the change.

A chemical equation is balanced according to mass number. A nuclear equation is balanced according to the total mass before and after the change.
A chemical equation is balanced according to mass number. A nuclear equation is balanced according to the total mass before and after the change.

Both are balanced according to the mass number of each element before and after the change.
Both are balanced according to the mass number of each element before and after the change.

Both are balanced according to the total mass before and after the change.
Both are balanced according to the total mass before and after the change.

Answer 1

A nuclear equation is balanced according to mass number. A chemical equation is balanced according to the total mass before and after the change.