Chemistry

Keon Ballard

11 December, 11:38

Hydrogen has three isotopes with mass numbers of 1, 2, and 3 and has an average atomic mass of 1.00794 amu. This information indicates that

1. equal numbers of each isotope are present

2. more isotopes have an atomic mass of 2 or 3 than of 1

3. more isotopes have an atomic mass of 1 than of 2 or 3

4. isotopes have only an atomic mass of 1

+3

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