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Charra [1.4K]
3 years ago
8

What is the mass number of an atom of chlorine that has 18 neutrons

Chemistry
2 answers:
Shkiper50 [21]3 years ago
5 0
18+17=35 Your mass number is 35g
larisa [96]3 years ago
4 0
Hi, the answer is 34.45 , basically 34.
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