how many electrons are present in the vallence of 15Y
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The electronic configuration for 15 is 2,8,5. Therefore, the valance electrons in the outermost shell will be 5.
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The Negative charge partials present in atom
atoms have the same number of electrons and protons
Electrons negatively charged particle present in atoms
protons positively charged particle in a cell of an atoms
atom has a central part called nucleus .
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