state the number of electrons present in the outermost shell of the atom in the following elements 1.neon 2. Fosforus 3.Helium
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neon have 8 electron
phosphorus have 5 electron
helium have 2 electron
phosphorus have 5 electron
helium have 2 electron
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neon have 8 electron
phosphorus have 5 electron
helium have 2 electron
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