Calcium Nitride and Ionic Compounds

The video tutorial explains how to name and write the formula for the ionic compound Ca3N2. It begins by identifying the compound as a binary ionic compound, consisting of a metal and a non-metal. The tutorial then outlines the steps to name the compound: first, naming the metal (calcium) as it appears on the periodic table, and then naming the non-metal (nitrogen) with an 'ide' suffix, resulting in 'calcium nitride'. The video also covers how to write the formula by balancing the charges of calcium and nitrogen ions to ensure a neutral compound, leading to the formula Ca3N2.

What type of compound is Ca3N2?

• Covalent compound

• Molecular compound

• Ionic compound

• Metallic compound

How do you name the metal in a binary ionic compound?

• By its chemical symbol

• By its Latin name

• By adding 'ide' to its name

• As it appears on the periodic table

What suffix is added to the non-metal in a binary ionic compound?

• ate

• ide

• ite

• ium

What is the charge of a calcium ion in Ca3N2?

• 0

• 1+

• 3+

• 2+

What is the charge of a nitrogen ion in Ca3N2?

• 0

• 3-

• 2-

• 1-

How do the charges in Ca3N2 balance out?

• They don't balance

• 2+ and 2-

• 3+ and 3-

• 6+ and 6-

What is the correct formula for calcium nitride?

• CaN2

• Ca3N2

• Ca2N3

• CaN