Question 1(a)
2 marks
Bromine exists as two stable isotopes. The two isotopes are represented by the symbols 7935Br and 8135Br.
Give one similarity and one difference between these two isotopes by referring to the number of particles in the nuclei of the two isotopes.
Give one similarity and one difference between these two isotopes by referring to the number of particles in the nuclei of the two isotopes.