TE21 Round 5

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded. The individual components retain their own properties.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and consistent properties throughout. Examples include elements and compounds.

Front

What happens to a blood cell in an isotonic solution?

Back

In an isotonic solution, a blood cell will maintain its size because the concentration of solutes is the same inside and outside the cell.

Front

What is a coefficient in a chemical equation?

Back

A coefficient is a number placed in front of a chemical formula in a reaction to indicate how many molecules or moles of that substance are involved.

Front

What is a product in a chemical reaction?

Back

A product is a substance that is formed as a result of a chemical reaction.

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solvent to form a solution.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution. Water is a common solvent.

Front

What is a chemical bond?

Back

A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.

Front

What is a diatomic molecule?

Back

A diatomic molecule is a molecule composed of only two atoms, which can be of the same or different chemical elements.

Front

What is a subscript in a chemical formula?

Back

A subscript is a number written below and to the right of a chemical symbol that indicates the number of atoms of that element in a molecule.