8th grade chemistry

Front

What classifies a substance as a mixture?

Back

A mixture is made up of two or more substances that are not chemically bonded.

Front

How are elements ordered in the modern periodic table?

Back

Elements are ordered by increasing atomic number.

Front

What is the left part of a chemical equation called?

Back

The left part of a chemical equation is called the reactants.

Front

Which elements are most likely to react in the same manner in a chemical reaction?

Back

Elements in the same group are most likely to react in the same manner.

Front

Which is the best example of a chemical change?

Back

Egg cooking is the best example of a chemical change.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

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 are reactants in a chemical reaction?

Back

Reactants are the starting substances that undergo a chemical change.

Front

What are products in a chemical reaction?

Back

Products are the substances formed as a result of a chemical reaction.