Question

A nucleus with atomic number Z and neutron number N
undergoes two decay processes. The result is nucleus
with atomic number (Z - 3) and neutron number (N-1).
Which decays processes took place?
1. Two B+ decay
2. Two B' decay
3. One a-decay and one b+ decay
4. One a-decay and one b-decay
B. A radioactive nucleus undergoes a series of decay
according to the scheme :
А, -р Az - Az - A4​

Answer 1

Explanation:

Which of the following reactions will not occurs? Why not?

(a) MgSO

4

(aq)+Cu(s)→CuSO

4

(aq)+Mg(s)

(b) CuSO

4

(aq)+Fe(s)→FeSO

4

(aq)+Cu(s)

(c) MgSO

4

(aq)+Fe(s)→FeSO

4

(aq)+Mg(s)