Respuesta :

B) 1.5:1 because it is heavy. #PLATOLIVESMATTER

 For heavy elements the ratio of neutrons to protons that predicts a stable nucleus is 1 .5 : 1

The correct option is b. 1.5 : 1

a) 1:1

b) 1.5:1

c) 2:1

d) 10:5