Question

Match the formula to the correct name.

a) calcium sulfide caso4
b) calcium sulfite caso3
c) calcium sulfate

Answer 1

The formulas for germanium dioxide, carbon disulfide, and diselenium dibromide are GeO2, CS2, and Se2Br2, respectively. Ionic compounds such as calcium bromide and aluminum oxide are written as CaBr2 and Al2O3.

Step-by-step explanation:

The correct formula for each compound and its associated name is as follows:

1. a. germanium dioxide - The chemical formula is GeO2.
2. b. carbon disulfide - The chemical formula is CS2.
3. c. diselenium dibromide - The chemical formula is Se2Br2.

For ionic compounds:

• Calcium bromide's formula is CaBr2.
• Aluminum oxide's formula is Al2O3.
• The compound formed between the calcium ion (Ca2+) and the oxygen ion (O2-) is calcium oxide with the formula CaO.
• The compound composed of the 2+ copper ion (Cu2+) and the sulfur ion (S2-) is copper(II) sulfide with the formula CuS.
• The compound composed of the 1+ copper ion (Cu+) and the sulfur ion (S2-) is copper(I) sulfide with the formula Cu2S.