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29 January, 08:25

Which of the following is the correct chemical formula for Na and S?

Na2S

NaS2

NaS

+2
Answers (2)
  1. 29 January, 09:15
    0
    Na2S because Na is 1 away from its noble gas giving it a positive 1 charge. S is two away from its noble gas so it is given a negative 2 charge. You need two Na so that they will cancel with the negative 2 charge.
  2. 29 January, 11:55
    0
    Na2S is your answer.
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