Chapter 5: Compounds & Mixtures REVIEW

Front

What is a subscript in a chemical formula?

Back

A subscript is the number at the bottom right corner of a chemical symbol, indicating the number of atoms of the element in a compound.

Front

What does a chemical formula represent?

Back

A chemical formula is a group of chemical symbols and numbers that represent the elements and the number of atoms of each element in a compound.

Front

What is a solute?

Back

A solute is a substance that dissolves in a solvent, usually a solid.

Front

What are compounds?

Back

Compounds are substances formed when atoms of two or more elements chemically combine.

Front

What is a polar covalent bond?

Back

A polar covalent bond is formed when two different nonmetals chemically bond, resulting in unequal sharing of electrons.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, forming a solution.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is a chemical reaction?

Back

A chemical reaction is a process in which substances (reactants) are transformed into different substances (products).

Front

What is a coefficient in a chemical equation?

Back

A coefficient is a number placed in front of a chemical formula to indicate the number of molecules or moles of that substance.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, which can be of the same or different elements.