Question

Boron exists in two isotopic forms b10 & b11 the average atomic mass of b is 10.8u. The relative abundance of b10 is

Answer 1

Answer:

, an atom with 6 protons must be carbon, and an atom with 92 protons must be uranium.

A third form of hydrogen known as tritium has one proton and two neutrons: its mass number is 3. When an element's atoms have different numbers of neutrons they are said to be isotopes of that element.