Honors 7th Chemistry Unit 5

Front

What is an element?

Back

An element is a pure substance that consists of only one kind of atom.

Front

What is the pH of a base?

Back

A base is a substance with a pH greater than 7.

Front

What happens to sugar when it dissolves in water?

Back

The sugar grains get smaller in size until they can not be seen.

Front

What is the product of the reaction CaCl2 + Na2SO4?

Back

The products are Ca(SO4) and NaCl.

Front

What type of mixture are M&M's?

Back

M&M's are an example of a heterogeneous mixture.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that has a uniform composition throughout.

Front

What is a chemical change?

Back

A chemical change occurs when a substance transforms into a different substance with different properties.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solution.

Front

What is a solvent?

Back

A solvent is the substance in which the solute is dissolved.