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Citrus2011 [14]

2 years ago

12

An atom has 25 protons,20 neutrons, and 19 electrons.Which atom is this,What is the atom's mass number?

2 answers:

ladessa [460]2 years ago

6 0

The atomic mass is 45

Arte-miy333 [17]2 years ago

3 0

The atom is manganese

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