The number of protons,neutrons,and electrons | vedclass

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Question

(C) For an element represented as $_{Z}X^{A}$:$Z$ (Atomic number) = Number of protons = $89$.Since the atom is neutral,the number of electrons = Numbe

Vedclass · Accepted Answer

$89, 142, 89$

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(C) For an element represented as $_{Z}X^{A}$:$Z$ (Atomic number) = Number of protons = $89$.Since the atom is neutral,the number of electrons = Number of protons = $89$.$A$ (Mass number) = Number of protons + Number of neutrons = $231$.Number of neutrons = $A - Z = 231 - 89 = 142$.Therefore,the number of protons,neutrons,and electrons are $89, 142, 89$ respectively.

The number of protons,neutrons,and electrons in the element $_{89}X^{231}$ are respectively:

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