Exploring Monoatomic and Polyatomic Ions

The video tutorial explains ions, which are atoms or compounds with a charge. It covers monoatomic ions, which are single atoms with a charge, and polyatomic ions, which consist of multiple atoms bonded together. The tutorial details how to determine the charge of ions using the periodic table, focusing on representative elements and transition metals. It also explains the naming conventions for ions, including stock and classical names. The video concludes with a discussion on polyatomic ions, their structure, and naming conventions, highlighting the ammonium ion as a unique cation.

What is an ion?

• An atom or compound with a charge

• A molecule with a neutral charge

• An atom or compound with no charge

• A compound with a neutral charge

What type of ions are single atoms with a positive or negative charge?

• Complex ions

• Neutral ions

• Monoatomic ions

• Polyatomic ions

Which column in the periodic table forms +2 cations?

• Column 1

• Column 2

• Column 13

• Column 15

What charge do elements in column 16 typically form?

• +2

• +1

• -2

• -1

How do you denote the charge of a transition metal ion in the stock name?

• Using a Greek letter

• Using a Roman numeral

• Using a subscript number

• Using a prefix

What is the classical name for a copper ion with a higher charge?

• Cupris ion

• Cuprous ion

• Cupric ion

• Copper ion

What type of bonds hold polyatomic ions together?

• Hydrogen bonds

• Covalent bonds

• Metallic bonds

• Ionic bonds

What suffix is commonly found in the names of polyatomic ions with more oxygen atoms?

• -ide

• -ate

• -ite

• -one

Which of the following is a polyatomic ion?

• Potassium

• Chloride

• Sodium

• Sulfate

What is the charge of the ammonium ion (NH4+)?

• +2

• -1

• +1

• -2