Chemistry, 23.09.2019 03:30 anzeller6363

Which atoms have the same number of neutrons?
which is the correct answer and why?
1.h-1 and he-3
2. h-2 and he-4
3. h-3 and he- 3
4. h-3 and he-4

Answers: 2

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Which atoms have the same number of neutrons?
which is the correct answer and why?
1.h...