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(a) Write two distinguishing features of...

(a) Write two distinguishing features of nuclear forces.
(b) Complete the following nuclear reactions for a and B decay:
(i) `" "_(92)^(238)Uto ? +" "_(2)^(4)He +Q` (ii) `" "_(11)^(22)Na to " "_(10)^(22)Ne +?+nu`

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(a) Two distinguishing features of nuclear forces are as follows :
1. Nuclear forces are extremely short range forces.
2. Nuclear forces are charge independent.
(b) The completed nuclear reactions are as given below :
(i) `" "_(92)^(238)Uoverset(-alpha)(to) " "_(90)^(234)Th +" "_(2)^(4)He +Q` (ii) `" "_(11)^(22)Na overset(-beta^(+))(to) " "_(10)^(22)Ne +" "_(+1)^(0)e+nu`
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