Predict the bombarding projectile in the following nuclear reactions
(i) `13^(Al^(27)) + ? rarr 11^(Na^(24)) + 2^(He^(4))`
(ii) `34^(Se^(83)) + ? rarr 34^(Se^(84)) + gamma` rays
(iii) `7^(N^(14)) + ? rarr 8^(O^(17) + 1^(H^(1))`

Complete the following nuclear reactions (i) 18^(Ar^(40)) + ? rarr 19^(K^(40)) + 0^(n^(1)) (ii) ______ + 1^(H^(1))rarr 2^(He^(4)) + 2^(He^(4)) (iii) 88^(Ra^(236))rarr ? + 2^(He^(4)) (iv) 92^(U^(238))rarr 56^(Ba^(143)) + _______+ 0^(n^(1))

Complete the following reactions : (a) B(OH)_(3) + NH_(3) rarr (b) Na_(2) B_(4) O_(7) + H_(2) SO_(4) + H_(2) O rarr

Calculate Q value of the following nuclear reaction 13^(Al^(27)) + 2^(He^(4)) rarr 14^(Si^(30)) + 1^(H^(1)) + Q. The exact mass of 13^(Al^(27)) is 26.9815 amu, 14A^(Si^(30)) is 29.9738, 2^(He^(4)) is 4.0026 amu and 1^(H^(1)) is 1.0078 amu.

Identily A. B, C, and D from the following nuclear reactions. (i) ""_(13)Al^(27)+ A to ""_(15)P^(30)+ B (ii) ""_(12)mg^(24)+ B to ""_(11)Na^(24)+ C (iii) ""_(92)U^(238)+ B to ""_(93)Np^(239)+ D

Calculate the Q-values of the following fusion reactions: (a) 1^2H+1^2H rarr 1^3H+1^1H . 1^2H+1^2H rarr 2^3(He)+n 1^2H+1^3H rarr 2^4(He)+n . Atomic masses are m(1^2H)=2.014102 u , m(1^3H)=3.016049 u , m(2^3(He))=3.016029 u , m(2^4(He))=4.002603 u .

Factorise the following. (i) (p-q) ^(2) -6( p-q) -16 (ii) m^(2) +2mn -24n^(2) (iii) sqrt5 a^(2) + 2a -3sqrt 5 (iv) a^(4) -3a^(2) +2 (v) 8m^(3) -2m^(2) n -15mn^(2) (vi ) (1)/( x^(2)) +(1) /( y^(2)) +(2)/( xy )