Naming and Writing Ionic Compound Formulae

The video tutorial explains the formation of ions and ionic bonds, focusing on naming ionic compounds and deducing their formulas. It provides examples using sodium chloride, magnesium oxide, calcium fluoride, and aluminum sulfide, demonstrating the crisscross method to balance charges and write formulas.

What is an ionic bond?

• A bond formed by the sharing of neutrons

• A bond formed by the transfer of protons

• A bond formed by the electrostatic attraction between oppositely charged ions

• A bond formed by sharing electrons

What is the correct ending for the name of a negative ion in an ionic compound?

• -ite

• -ine

• -ate

• -ide

What is the formula for sodium chloride?

• Na2Cl

• NaCl

• NaCl2

• Na2Cl2

In the formula for sodium chloride, which ion comes first?

• Chloride ion

• Sodium ion

• Both ions are written together

• It depends on the charge

What is the formula for magnesium oxide after reducing the charges?

• Mg2O2

• MgO2

• MgO

• Mg2O

What is the name of the compound formed by magnesium and oxygen?

• Magnesium oxalate

• Magnesium oxide

• Magnesium oxite

• Magnesium dioxide

What is the formula for calcium fluoride?

• Ca2F2

• CaF2

• Ca2F

• CaF

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

• Three

• Two

• One

• Four

What is the formula for aluminum sulfide?

• AlS

• Al2S

• AlS2

• Al2S3

What is the name of the compound formed by aluminum and sulfur?

• Aluminum sulfite

• Aluminum sulfur

• Aluminum sulfate

• Aluminum sulfide