Ions and Their Charges

The video tutorial explains ions, which are atoms with unequal numbers of electrons and protons, resulting in a charge. It covers the naming of ions, the reasons behind their charges, and introduces complex ions. Key vocabulary includes monatomic and polyatomic ions, cations, and anions. The video also discusses the periodic table elements that form ions and the naming conventions for positive and negative ions.

What is an ion?

• An atom with unequal numbers of electrons and protons

• An atom with equal numbers of electrons and protons

• A stable atom

• A molecule with no charge

Which of the following is a polyatomic ion?

• A stable molecule

• A neutral atom

• An ion made of multiple atoms

• An ion made of a single atom

What do we call an ion with a positive charge?

• Neutral ion

• Anion

• Polyatomic ion

• Cation

What is the charge of an anion?

• Positive

• Negative

• Variable

• Neutral

Which of the following is a monatomic ion?

• A stable atom

• A compound with no charge

• A molecule with multiple atoms

• An atom that has lost or gained electrons

Which elements typically form positive ions?

• Halogens

• Noble gases

• Metals and hydrogen

• Non-metals

Which element can form both positive and negative ions?

• Oxygen

• Carbon

• Nitrogen

• Hydrogen

What suffix is used for naming negatively charged monatomic ions?

• -ate

• -ous

• -ite

• -ide

What is the naming convention for a sodium ion?

• Sodiumous

• Sodiumide

• Sodiumate

• Sodium ion

What is the name of the ion formed from a nitrogen atom?

• Nitronium ion

• Nitride ion

• Nitrite ion

• Nitrogen ion