Formulae Of Ionic Compounds & Their Names - Part 1

The video tutorial explains ionic bonds as electrostatic attractions between oppositely charged ions. It covers how to name ionic compounds and deduce their formulas from ionic charges. Through examples like sodium chloride, magnesium oxide, calcium fluoride, and aluminum sulfide, the tutorial demonstrates the process of writing formulas and naming compounds by crisscrossing charges and balancing them to achieve neutrality. The tutorial emphasizes the importance of naming conventions, such as changing the ending of non-metal ions to 'ide'.

What is the correct formula for sodium chloride?

• Na2Cl

• Na2Cl2

• NaCl2

• NaCl

When forming magnesium oxide, what is the simplest formula obtained after reducing the charges?

• Mg2O2

• MgO2

• Mg2O

• MgO

What is the name of the compound with the formula MgO?

• Magnesium dioxide

• Magnesium oxide

• Magnesium monoxide

• Magnesium peroxide

How many fluoride ions are needed to balance the charge of one calcium ion in calcium fluoride?

• One

• Two

• Three

• Four

What is the correct formula for aluminum sulfide?

• Al2S3

• AlS3

• Al2S

• AlS