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Citrus2011
[14]
3 years ago
12
An atom has 25 protons,20 neutrons, and 19 electrons.Which atom is this,What is the atom's mass number?
Chemistry
Answer
Comment
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2
answers:
ladessa
[460]
3 years ago
6
0
The atomic mass is 45
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Arte-miy333
[17]
3 years ago
3
0
The atom is manganese
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