Naming Polyatomic Ions and Reaction Types

This video tutorial covers the identification and naming of polyatomic ions and ternary compounds. It explains how to construct chemical formulas for these compounds and discusses the law of definite proportions. The video also explores various types of chemical reactions, including synthesis, decomposition, single replacement, double replacement, and combustion, providing examples and explanations for each.

What is a ternary compound?

• A compound with two elements

• A compound with three or more elements

• A compound with only one element

• A compound with four elements

Which of the following is an example of a polyatomic ion?

• Na+

• NO3-

• Cl-

• O2

How do you name the compound NaNO3?

• Sodium nitrate

• Sodium nitrite

• Sodium nitride

• Sodium oxide

What is the name of the compound CaCO3?

• Calcium carbonate

• Calcium chlorate

• Calcium sulfate

• Calcium oxide

What is the correct formula for ammonium chloride?

• NH4Cl2

• NH3Cl2

• NH3Cl

• NH4Cl

How many lithium ions are needed to balance the charge of one carbonate ion in lithium carbonate?

• One

• Four

• Two

• Three

What does the law of definite proportions state?

• A compound can have any ratio of elements

• A compound always contains its elements in a fixed ratio

• A mixture always contains its elements in a fixed ratio

• A mixture can have any ratio of elements

Which type of reaction involves two substances combining to form a single substance?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

In a single replacement reaction, what happens?

• Two elements combine to form one compound

• Two compounds exchange partners

• One element replaces another in a compound

• A compound breaks down into two or more substances

What are the products of a combustion reaction?

• Carbon monoxide and water

• Oxygen and hydrogen

• Methane and oxygen

• Carbon dioxide and water