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GaryK [48]
4 years ago
15

The atomic number of magnesium (Mg) is 12. This is also the number of which of the following?

Chemistry
2 answers:
statuscvo [17]4 years ago
8 0
Protons and electrons
ArbitrLikvidat [17]4 years ago
5 0
It's also the number of protons & electrons.
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