Question

an anion (X) contains 36 electrons and 45 neutrons what is the atomic mass of element(X) and its position in periodic table​

Answer 1

Answer:

Since the anion has a net charge of −3,

n

e

−n

p

=3

→n

p

=36−3=33

Therefore, mass of element X=n

p

+n

n

=45+33=78 amu

Explanation:

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