Chemical RXN

True or False: The same substance can have different properties.

• True

• False

Tiny pieces of matter that everything is made of

• model

• atoms

• substances

Something that can be observed about a substance, such as color, smell, or boiling point that doesn't change is a..

• property

• reactant

• molecule

Something that is made of all the same atoms or groups of atoms

• substance

• atoms

• scale

What are starting substance in a bath bomb that react with water?

• baking soda and sugar

• baking soda and citric acid

• salt and citric acid

• baking soda and salt

What gas could be coming from the bath bomb?

• nitrogen, carbon dioxide, argon

• nitrogen, carbon dioxide, hydrogen

• hydrogen, carbon dioxide, argon

• oxygen and propane

The mass before a reaction is the same as the mass after a chemical reaction in a closed system.

• True

• False

The gas from the bath bomb is a different substance than the starting substances (baking soda and citric acid).

• True

• False

Matter CAN BE created and destroyed.

• True

• False