What is the formula of the compound formed by magnesium and iodine? A) MgI B) Mg

Question

What is the formula of the compound formed by magnesium and iodine?
A) MgI
B) MgI2
C) MgI3
D) Mg2I

19. What is the formula of the compound formed between the ammonium ion and the carbonate ion?
A) NH4CO3
B) NH4(CO3)2
C) (NH4)2CO3
D) (NH4)3CO3

20. What is the formula of the compound formed between the magnesium ion and the acetate ion?
A) MgC2H3O2
B) Mg2C2H3O2
C) Mg(C2H3O2)2
D) Mg(C2H3O2)3

21. What is the correct name for KI?
A) monopotassium monoiodide
B) potassium iodine
C) potassium iodide
D) potassium ion iodine ion

22. A compound used to treat manic depressives has the formula Li2CO3. Which of the following is the correct name for this compound?
A) dilithium carbonate
B) lithium carbon trioxide
C) lithium carbonate
D) lithium carboxide

Explanation / Answer

18) B) MgI2 19)C) (NH4)2CO3 20)C) Mg(C2H3O2)2 21)C) potassium iodide 22)C) lithium carbonate

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