Chemical Reactions and Equations

Attraction between atoms when electrons are shared, transferred, or pooled.

• chemical bond

• chemical reaction

• chemical equation

• chemical balance

Tags

NGSS.HS-PS1-4

Description of a reaction using element symbols and chemical formulas.

• chemical equation

• chemical bond

• chemical reaction

• chemical balance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Process in which atoms of one or more substances rearrange to form one or more new substances.

• chemical reaction

• chemical equation

• chemical bond

• chemical balance

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Number placed in front of an element symbol or chemical formula in an equation.

• coefficient

• product

• reactant

• synthesis

Tags

NGSS.MS-PS1-5

States that the total mass of the reactants before a chemical reaction is the same as the total mass of the products after the chemical reaction.

• law of conservation of mass

• law of superposition

• law of gravity

• law of conservation of energy

Tags

NGSS.MS-PS1-5

New substance produced by a chemical reaction.

• product

• reactant

• coefficient

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Starting substance in a chemical reaction.

• reactant

• product

• coefficient

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Chemical reaction in which a substance combines with oxygen and releases energy.

• combustion

• decomposition

• synthesis

• product

Tags

NGSS.MS-PS1-2

Chemical reaction in which one compound breaks down and forms two or more substances.

• decomposition

• double replacement

• single replacement

• synthesis

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Describes a reaction in which the negative ions in two compounds switch places, forming two new compounds.

• combustion

• decomposition

• double replacement

• single replacement

Tags

NGSS.MS-PS1-2