Calculate the radius The radius of nucleus Al 13 27 will be (1) 1.2 × 10–15m (2) 2.7 × 10–15m (3) 10.8 × 10–15m (4) 4 × 10–15m Share with your friends Share 0 Manoj Kumar answered this 1 View Full Answer C.sugashini Chandran answered this R=R0(A)^1/3 R=Radius of atom ,A=atomic number R=1.5*10^-15*(27)^1/3 R=3.75*10^-15 m so ans is d option 0