Question

1. drag and drop the words with the descriptions.

a group of atoms, covalently bonded, with a charge
three - dimensional structure of alternating cations and anions
when melted or dissolved in water, these substances conduct electricity
compounds composed of cations and anions
the simplest chemical unit of an ionic compound

Explanation:

• A polyatomic ion is defined as a group of atoms, covalently bonded, with a charge.
• A crystal lattice is a three - dimensional structure of alternating cations and anions.
• Electrolytes are substances that conduct electricity when melted or dissolved in water.
• Ionic compounds are composed of cations and anions.
• A formula unit is the simplest chemical unit of an ionic compound.

Answer:

1. polyatomic ion
2. crystal lattice
3. electrolytes
4. ionic compound
5. formula unit