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3 October, 15:48

Which of the following outer electron configurations would you expect to belong to a reactive metal?

a. ns2

b. ns2 np6

c. ns2 np5

d. ns2 np2

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Answers (1)
  1. 3 October, 16:03
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    The answer to your question is: a

    Explanation:

    Electron configurations are:

    ns is for alkali metals and alkali earth metal

    nd is for transition metals

    nf is for Inner transition metals

    np is for nonmetals

    np⁶ is for noble gases

    a. ns2 This is the electron configuration of an alkali earth metal

    b. ns2 np6 This is the electron configuration of a noble gas

    c. ns2 np5 This is the electron configuration of nonmetals

    d. ns2 np2 This is the electron configuration of nonmetals
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