Understanding Variable Charged Cations and Naming Ionic Compounds

What are the two main objectives of today's lesson?

• Understanding covalent bonding and molecular geometry

• Exploring the properties of gases and their laws

• Studying the history of the periodic table and its elements

• Learning about variable charged cations and naming ionic compounds

What is the correct name for the compound MGO?

• Magnesium Fluoride

• Magnesium Oxide

• Magnesium Chloride

• Magnesium Sulfide

Which part of the periodic table contains elements with variable charges?

• The f-block

• The d-block and elements under the staircase

• The s-block

• The p-block

Why must the total positive charge equal the total negative charge in ionic compounds?

• To ensure the compound is electrically neutral

• To decrease the compound's solubility

• To make the compound more reactive

• To increase the compound's melting point

How are variable charged cations indicated in the names of ionic compounds?

• Using superscripts

• Using Roman numerals

• Using subscripts

• Using Greek letters

What is the charge on copper in copper(II) chloride?

• 2+

• 1+

• 3+

• 4+

In the compound Sn3N2, what is the charge on each tin atom?

• 4+

• 2+

• 1+

• 3+

What is the correct name for the compound Zn3P2?

• Zinc(III) Phosphide

• Zinc(II) Phosphide

• Zinc(I) Phosphide

• Zinc(IV) Phosphide

How do you determine the charge on a metal in a compound with variable charged cations?

• By balancing the total positive and negative charges

• By measuring the compound's density

• By looking at the color of the compound

• By checking the compound's boiling point

What is the correct name for the compound PbP?

• Lead(III) Phosphide

• Lead(II) Phosphide

• Lead(I) Phosphide

• Lead(IV) Phosphide