Why does a knowledge of atomic number allow us to deduce the number of electrons present in a atom?

Wagons/motorized vehicles

Answerhund's rule;

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Answer it was we, the the whole people, who formed the union. and we formed it, not to give the blessings of liberty, but to secure them: not to the half of ourselves and the half of our posterity, but to the whole people- women as well as men.