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Ion Definition Flashcards

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Questions and Answers

What is an ion?

An atom with no charge

An atom that always has a positive charge

An atom, or group of atoms, that has a net positive or negative charge from losing or gaining electrons (correct)

An atom with a stable number of electrons

What is a cation?

Ion with a positive charge

What is an anion?

Ion with a negative charge

When a neutral atom _____ one or more electrons it becomes a cation.

loses Signup and view all the answers

When a neutral atom _____ one or more electrons it becomes an anion.

gains Signup and view all the answers

What is a monatomic ion?

An ion containing only one atom Signup and view all the answers

What is a polyatomic ion?

An ion containing more than one atom Signup and view all the answers

When ions gain or lose electrons the ______ rule is applied in order to have a full valence.

Octet rule = valence of 8 electrons Signup and view all the answers

Study Notes

Ion Basics

An ion is an atom or group of atoms that carries a net charge due to the gain or loss of electrons.
Ions are categorized based on their charge: cations (positive) and anions (negative).

Cation

A cation is formed when a neutral atom loses one or more electrons, resulting in a positive charge.

Anion

An anion is created when a neutral atom gains one or more electrons, resulting in a negative charge.

Monatomic and Polyatomic Ions

Monatomic ions consist of a single atom that carries a charge.
Polyatomic ions are composed of multiple atoms bonded together, which collectively carry a charge.

Octet Rule

The Octet Rule states that atoms tend to gain, lose, or share electrons to achieve a full valence shell, typically consisting of eight electrons.

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Description

Explore essential definitions related to ions with these flashcards. Learn about the differences between cations and anions, and understand the concept of charge in atoms. Perfect for students looking to solidify their grasp on basic chemistry concepts.