Matter Interactions Review

Front

Which subatomic particle has a positive charge?

Back

Proton

Front

Where are electrons located in an atom?

Back

In the electron cloud

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance, such as melting ice.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances, such as burning wood.

Front

In a balanced chemical equation, what is true about the number of atoms for each element on the reactant side?

Back

It is equal to the number of atoms for each element on the product side.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is an example of a chemical reaction?

Back

Rusting of iron.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.