Flashcard: Ionic compounds

Front

Which group of elements loses electrons most easily?

Back

Group 1 elements (alkali metals) lose electrons most easily.

Front

How do K¹⁺ and S^2- bond together?

Back

They form K₂S.

Front

What is an ionic bond?

Back

An ionic bond is the attraction between oppositely charged ions.

Front

What type of elements form cations?

Back

Metals form cations.

Front

What is the greatest number of valence electrons an atom can have (excluding helium)?

Back

8 valence electrons.

Front

Define ionic compound.

Back

An ionic compound is formed when cations and anions bond together through ionic bonds.

Front

What is a cation?

Back

A cation is a positively charged ion, formed when an atom loses electrons.

Front

What is an anion?

Back

An anion is a negatively charged ion, formed when an atom gains electrons.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.

Front

What is the charge of a sodium ion (Na)?

Back

A sodium ion (Na) has a charge of +1.