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zysi [14]
3 years ago
13

What is the Atomic Number of a neutral atom that has 5 neutrons and 4 electrons

Biology
1 answer:
dexar [7]3 years ago
5 0
Since it has 4 protons, it must have an atomic number of 4. (That makes it beryllium.)
Since it has a 4 protons and 5 neutrons, it has a mass number of 9.
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