Problem: Give the formula and name of the compound formed from the following elements:a) rubidium and bromine; b) sulfur and barium; c) calcium and fluorine.a. RbBr Rubidium bromideBaS2  Barium sulfideCaF2  Calcium fluorideb. RbBr Rubidium bromideBa2 S Barium sulfideCaF2  Calcium fluoridec. RbBr Rubidium bromideBaS Barium sulfideCaF2  Calcium fluorided. RbBr2  Rubidium bromideBaS Barium sulfideCaF2  Calcium fluoridee. RbBr Rubidium bromideBaS Barium sulfideCaF2  Calcium difluoride

FREE Expert Solution

We’re being asked to give the chemical formula of the following combinations


a) rubidium and bromine

b) sulfur and barium

c) calcium and fluorine.


The rules for naming binary ionic compounds are as follows:

1. The metal keeps its name and is named and written first.

– For transition metals, we use Roman numerals to denote its charge.


2. The nonmetal keeps its base name but has its ending changed to –ide.


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Problem Details

Give the formula and name of the compound formed from the following elements:

a) rubidium and bromine; b) sulfur and barium; c) calcium and fluorine.

a. RbBr Rubidium bromideBaS2  Barium sulfideCaF2  Calcium fluoride

b. RbBr Rubidium bromideBa2 S Barium sulfideCaF2  Calcium fluoride

c. RbBr Rubidium bromideBaS Barium sulfideCaF2  Calcium fluoride

d. RbBr2  Rubidium bromideBaS Barium sulfideCaF2  Calcium fluoride

e. RbBr Rubidium bromideBaS Barium sulfideCaF Calcium difluoride

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Our tutors have indicated that to solve this problem you will need to apply the Naming Ionic Compounds concept. You can view video lessons to learn Naming Ionic Compounds. Or if you need more Naming Ionic Compounds practice, you can also practice Naming Ionic Compounds practice problems.