Answer :
Answer:
11. The formula for potassium oxide is K2O. The potassium ion has a charge of 1+ and the oxygen ion has a charge of 2-.
12. Formula of dihydrogen monoxide is, H2O.The first part of the name, "dihydrogen," implies the presence of two hydrogen atoms. The second part, "monoxide," implies the presence of one oxygen atom.
13. Sodium bromide chemical formula is NaBr Formula and structure: Sodium bromide chemical formula is NaBr and the molar mass is 102.89 g mol-1.
14. Magnesium dichloride
15. Iodine pentafluoride
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