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11 July, 15:04

As a chlorine atom becomes a negative ion, the atom blanks an electron

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  1. 11 July, 15:46
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    Answer: increases by

    As a chlorine atom becomes a negative ion, the atom "increases by" an electron

    Explanation:

    Chlorine atom has an atomic number of 17, and an electronic configuration of 1s2, 2s2 2p6, 3s2 3p5 showing 7 valence electrons in its outermost shell.

    Hence, it receives a single electron to achieve a stable octet structure with electronic configuration of

    1s2, 2s2 2p6, 3s2 3p6. Therefore, Cl - is a univalent negative ion with 8 valence electrons in its outermost shell. The increase is shown below

    Cl + e - - -> Cl-

    Thus, as a chlorine atom becomes a negative ion, the atom "increases by" an electron
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