Unit 4: Chemical Reactions Vocabulary

The starting substances before a chemical reaction takes place

• Reactants

• Products

• Coefficients

• Subscripts

Tags

NGSS.MS-PS1-2

A chemical reaction in which a substance is broken down into 2 or more new substances

• Synthesis

• Decomposition

• Single- Replacement

• Combustion

Tags

NGSS.MS-PS1-5

A symbolic way of writing the name of compounds that includes the number of each type of atom present

• Chemical Equation

• Coefficients

• Chemical Script

• Chemical Formula

 A row on the periodic table

• Column

• Family

• Group

• Period

The substance(s) that exist after a chemical reaction has take place.

• Reactants

• Products

• Chemical Formulas

• Reactions

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

 A chemical reaction in which 2 substances combine to produce 1 new substance

Tags

NGSS.MS-PS1-5

A type of chemical reaction that absorbs more energy than it releases

Tags

NGSS.HS-PS1-4

A written way to express a chemical reaction

• Chemical Formula

• Arrown

• Chemical Equation

• Compounds and molecules

A type of chemical reaction that results in the production of carbon dioxide and water

• Synthesis

• Decomposition

• Combustion

• Double- replacement

Tags

NGSS.MS-PS1-5

A type of chemical reaction that releases more energy than it absorbs

• Synthesis

• Decompostion

• Endothermic

• Exothermic

Tags

NGSS.HS-PS1-4