2
The ware function
of
the particle is normalized. why?

Normalization of ψ(x,t): : is the probability density for finding the particle at point x, at time t. Because the particle must be found somewhere between x=-∞ and x=+∞ the wave. function must obey the normalization condition. Without this, the statistical interpretation would be meaningless.

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If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom