Periodic Table: Ions

Front

What is the primary reason atoms form ions?

Back

Atoms with 8 valence electrons are the most stable.

Front

What is the symbol for a potassium ion?

Back

K⁺

Front

How many valence electrons does a chlorine atom have?

Back

7

Front

What type of ions do elements on the left side of the periodic table most likely form?

Back

Positive ions.

Front

Define an ion.

Back

A charged atom.

Front

What is the charge of a sodium ion?

Back

Na⁺

Front

What is the charge of a chloride ion?

Back

Cl⁻

Front

How do nonmetals typically form ions?

Back

By gaining electrons to achieve a full valence shell.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to have 8 valence electrons.

Front

What type of ion is formed when an atom loses an electron?

Back

A positive ion (cation).