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26 October, 19:35

What would the molecular formula be if lithium and sulfur reacted to form a neutral compound?

A. Li2S2

B. LiS2

C. LiS

D. Li2S

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Answers (2)
  1. 26 October, 20:35
    0
    D

    Explanation:

    Lithium has one valence electron, so it has one to give away to have an outer shell of 8.

    Sulfur has 6 valence electrons, so it needs 2 to get an outer shell of 8.

    If we have two Li, that means sulfur will get 2 e - and Li will give away 2 e-, so the formula is Li₂S.
  2. 26 October, 23:19
    0
    D would be your answer.

    Lithium has a valence electrons of one.

    Sulfur has two valence electrons.

    Now you cross it these numbers and bring them down.
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