Chemical Reactions

The starting materials, on the left side, in a chemical reaction are called...

• Products
• Reactants
• Starters
• Enders

The ending materials, on the right side, in a chemical reaction are called...

• Products
• Reactants
• Starters
• Enders

A chemical reaction is the same thing as a chemical change.

• True

• False

A _____ occurs when two or more chemicals react to produce a new chemical with unique physical and chemical properties.

• physical change/physical reaction

• chemical change/chemical reaction

A _______ is a shorthand way to show a chemical reaction using symbols rather than words.

• chemical symbol

• chemical equation

• chemical formula

A _____ is a number placed in front of a chemical formula that shows the number molecules in an equation. These numbers balance chemical reactions. (The red number in the reaction.)

• coefficient 
• subscript
• superscript
• SI unit

A ____ is a number found on the lower right of a formula that shows the number of atoms in a chemical formula. (The blue number in the reaction.)

• coefficient 
• subscript
• superscript
• SI unit

NaHCO₃ (baking soda) is an example of a/an ____.

• chemical formula

• chemical equation

• chemical reaction

NaCl is a ____ in this chemical equation.

• product

• coefficient

• reactant

• subscript

• superscript

HCl is a ____ in this chemical equation.

• product

• coefficient

• reactant

• subscript

• superscript