1.

Bombardment of aluminium by alpha-particles lead to its artificial disintegration in two ways, (and (it) as shown. Products X, Y and Z respectively are:

Answer»

proton, neutron, positron
neutron, positron, proton
proton, positron, neutron
positron, proton, neutron

Solution :`""_(13)^(27)Al+""_(2)^(4)alphato""_(14)^(30)Si+""_(1)^(1)p[X]`
`""_(13)^(27)Al+""_(2)^(4)alphato""_(15)^(30)P+""_(0)^(1)n[Y]`
`""_(15)^(30)Pto""_(14)^(30)Si+""_(+1)^(0)beta[Z]`


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