Answer:
I think its might be 1 because the ionic numbers for CA is +2 and for P its +3
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Answer: The nuclear equation is
.
Explanation:
A nuclear reaction in which a heavy particle splits into another particle along with release of energy is called a nuclear fission reaction.
For example, 
Here, energy is radiated in the form of gamma radiation.
Thus, we can conclude that the nuclear equation is
.
If there is a constant loss of
the concentration of
will be affected and decrease since
is a main component of
.
Hope it helped,
BioTeacher101