Physical Properties and Elements

Which is a chemical reaction?

• chopping wood
• lighting a match
• stirring chocolate in milk
• breaking a glass

A subatomic particle with a positive charge.

• neutrons
• neurons
• protons
• happy

A characteristic that describes how a substance is changed when it reacts with other substances.

• reactants
• molecule
• chemical reaction
• product

The center of an atom.

• neutrons
• nuts
• nucleus
• nothing

The number of protons in the nucleus of an atom.

• elements
• atomic number
• positive charge
• Star Trek torpedoes

Energy sent out into space by an energy force.

• reactants
• radiation
• Yoda
• radioactivity

A gas that does not react with others.

• elements
• butane
• noble gasses
• farts 

Another name for an electric battery.

• radiation
• Duracell
• voltaic pile
• atomic number

A way to organize the elements based on their atomic number.

• dictionary
• elements
• periodic table of the elements
• chemical properties

A subatomic particle with no charge.

• electrons
• protons
• atoms
• neutrons