Chemistry, asked by ghost639303, 1 month ago

An atom has electronic configuration 7 8 7 what is the atomic number of this element

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Answered by mayanksaha9125

Answer:-So, the number of electrons present in an atom = 2+8+7 = 17. -Therefore the atomic number of the element is equal to 17. -The element having atomic number 17 is Chlorine. -The valence electrons in chlorine are 7.

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An atom has electronic configuration 7 8 7 what is the atomic number of this element​

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An atom has electronic configuration 7 8 7 what is the atomic number of this element