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lesantik [10]
2 years ago
6

Help please

Chemistry
1 answer:
Mars2501 [29]2 years ago
6 0

Answer:

electron cloud charge of manganese=-5

Explanation:

atomic number=number of elecron +neutron number

DATA

Neutron NO.=30

atomic NO.=25

e=?

A=e+n

25=e+30

e=25-30

e= -5

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