Unit 3 Review

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. Examples include MgCl2 and NaCl.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H2O.

Front

How can you identify an ionic compound?

Back

Ionic compounds typically consist of a metal and a non-metal, and they often have high melting and boiling points.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons between atoms.

Front

What are prefixes used for in naming covalent compounds?

Back

Prefixes indicate the number of atoms of each element in a covalent compound. For example, 'di-' means two, 'tri-' means three.

Front

What is the significance of Roman numerals in naming compounds?

Back

Roman numerals are used to indicate the oxidation state of the metal in ionic compounds, especially for transition metals.

Front

What type of bond is formed between two nonmetals?

Back

A covalent bond is formed between two nonmetals.

Front

What is the chemical formula for sodium chloride?

Back

The chemical formula for sodium chloride is NaCl.

Front

What is a metallic bond?

Back

A metallic bond is a type of chemical bond that occurs between metal atoms, characterized by a 'sea of electrons' that are free to move.

Front

What is the formula for calcium hydroxide?

Back

The formula for calcium hydroxide is Ca(OH)2.