Question

An element x has two isotopes. How does 238x isotope differ from 235x isotope?

Answer 1

Answer:

uranium

Explanation:

as it undergoes nuclear reactions and it's mass number changes soo it is having 2 isotopes

Answer 2

explanation:

238

X,

235

X are isotopes hence has same atomic number, i.e. same number of protons and electrons however their mass number is different hence

238

X has 238−235 i.e., 3 more neutrons as

235