Mastering Ionic Compounds: Formula Writing and Naming Techniques

The video tutorial by EaseEngineering covers the basics of writing formulas and naming ionic compounds. It explains the composition of ionic compounds, consisting of cations and anions, and details the ionic charges associated with different groups on the periodic table. The tutorial introduces the criss-cross method for writing compound formulas and discusses naming conventions, including the use of systematic and common names. Examples are provided to illustrate these concepts, such as Magnesium Nitride and Chromium Iodide.

What is the charge of a cation?

• Neutral

• Positive

• Negative

• Variable

Which group in the periodic table has elements with a 2+ ionic charge?

• Group 4A

• Group 3A

• Group 2A

• Group 1A

How do you determine the ionic charge of anions based on their group number?

• Group number plus 8

• Group number divided by 2

• Group number times 2

• Group number minus 8

What suffix is used when naming ionic compounds?

• IDE

• ITE

• OUS

• ATE

What is the name of the compound formed by Magnesium and Nitrogen?

• Magnesium Nitroxide

• Magnesium Nitride

• Magnesium Nitrate

• Magnesium Nitrite

What is the criss-cross method used for?

• Writing formulas for ionic compounds

• Determining molecular geometry

• Predicting reaction products

• Balancing chemical equations

What is the formula for Calcium Oxide after applying the criss-cross method?

• CaO2

• Ca2O

• Ca2O2

• CaO

What are monatomic ions?

• Ions consisting of multiple atoms

• Ions with no charge

• Ions with variable charges

• Ions consisting of a single atom

What is the systematic name for a compound with Chromium and Iodine?

• Chromium Iodite

• Chromium Iodide

• Chromic Iodide

• Chromium Iodate

What does the Roman numeral in parentheses indicate in the name of a compound?

• The oxidation state of the non-metal

• The ionic charge of the metal

• The number of atoms

• The molecular weight