Question

Write the correct molecular formula formed from the following ions and name the compound:

a. K⁺ and ClO₄⁻
b. Ca²⁺ and PO₄³⁻
c. Al³⁺ and SO₃²⁻
d. Na⁺ and H⁻
e. Fe³⁺ and Cl⁻
f. Mn²⁺ and O₂²⁻
g. Ca²⁺ and NO₃⁻
h. Ca²⁺ and NO₂⁻

Answer 1

The molecular formulas and names of the compounds formed from various ions are provided. g. The molecular formula formed from Ca²⁺ and NO₃⁻ is Ca(NO₃)₂ and the compound is called calcium nitrate. h. The molecular formula formed from Ca²⁺ and NO₂⁻ is Ca(NO₂)₂ and the compound is called calcium nitrite.

Step-by-step explanation:

a. The molecular formula formed from K⁺ and ClO₄⁻ is KClO₄ and the compound is called potassium perchlorate. b. The molecular formula formed from Ca²⁺ and PO₄³⁻ is Ca₃(PO₄)₂ and the compound is called calcium phosphate. c. The molecular formula formed from Al³⁺ and SO₃²⁻ is Al₂(SO₃)₃ and the compound is called aluminum sulfite. d. The molecular formula formed from Na⁺ and H⁻ is NaH and the compound is called sodium hydride.

e. The molecular formula formed from Fe³⁺ and Cl⁻ is FeCl₃ and the compound is called iron(III) chloride. f. The molecular formula formed from Mn²⁺ and O₂²⁻ is MnO and the compound is called manganese(II) oxide. g. The molecular formula formed from Ca²⁺ and NO₃⁻ is Ca(NO₃)₂ and the compound is called calcium nitrate. h. The molecular formula formed from Ca²⁺ and NO₂⁻ is Ca(NO₂)₂ and the compound is called calcium nitrite.