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10 grade science

The chemical formula for sodium and sulphur contains:

  • A. two sulphur and one sodium atoms
  • B. one sulphur and one sodium atoms
  • C. one sulphur and two sodium atoms
  • D. two sulphur and two sodium atoms

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10 Months agoGrade
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1 Answer

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ApprovedApproved Tutor Answer10 Months ago

The chemical formula for sodium and sulfur is Na2S. This indicates that there are two sodium atoms for every one sulfur atom. Therefore, the correct answer is:

Correct Answer

C. one sulfur and two sodium atoms

Explanation

Sodium (Na) has a +1 charge, while sulfur (S) has a -2 charge. To balance the charges, two sodium ions are needed for each sulfur ion, resulting in the formula Na2S.

Summary

  • Sodium: 2 atoms
  • Sulfur: 1 atom