Ionic Compounds

Front

What is an ionic compound?

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. It typically forms between metals and nonmetals.

Front

What is the charge of sodium (Na)?

Back

Sodium (Na) has a charge of +1 when it forms an ion.

Front

What is the charge of sulfur (S) in sodium sulfide (Na2S)?

Back

In sodium sulfide (Na2S), sulfur (S) has a charge of -2.

Front

What is the formula for sodium sulfide?

Back

The formula for sodium sulfide is Na2S.

Front

What is the charge of all elements in group 2 of the periodic table?

Back

All elements in group 2 have a charge of +2.

Front

What is the chemical formula for the compound formed between barium (Ba) and iodine (I)?

Back

The chemical formula for the compound formed between barium and iodine is BaI2.

Front

What type of elements are needed to form an ionic compound?

Back

Ionic compounds are formed between metals and nonmetals.

Front

What is the charge of anions?

Back

Anions have a negative charge.

Front

What is the charge of cations?

Back

Cations have a positive charge.

Front

What is the significance of the octet rule in ionic bonding?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons, leading to the formation of stable ionic compounds.