Chemistry, 08.01.2021 17:50 izaiahfieods

A neutral atom has the following electronic configuration: 1s2 2s2 2p6 3s2 3p5 How many protons are in the atomic nucleus and to which group of the periodic table does this element belong?

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A neutral atom has the following electronic configuration: 1s2 2s2 2p6 3s2 3p5 How many protons are...

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