Chemical Reactions

A combination of symbols that represents the elements in a compound.

• subscripts

• Chemical formula

• products

• reactants

Tags

NGSS.MS-PS1-1

A chemical reaction in which two or more simple substances combine to form new, more complex substance.

• Reactant

• Chemical

• Compound reaction

• Synthesis

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A substance that enters into a chemical reaction.

• Reactants

• Compounds

• PH

• Water

Tags

NGSS.MS-PS1-2

A reaction in which one element replaces another in a compound or when two compounds trade places.

• chemical formula

• replacement

• decomposition

• synthesis

Tags

NGSS.MS-PS1-2

A number in front of a chemical formula in an equation that indicates how many molecules or atoms are involved.

• coefficient

• symbol

• atom

• formula

A shorter easier way to show chemical reactions, using symbols instead of words.

• formula

• symbol

• Chemical equation

• Oxygen

A chemical reaction that breaks down compounds into simpler products.

• products

• decomposition

• replacement

• synthesis

Shows the number of atoms of an element in a molecule or the ratio of elements in a compound.

• element

• element

• reaction

• subscript

Tags

NGSS.MS-PS1-1

A substance formed as a result of a chemical reaction.

• products

• atom

• water

• h2o

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A one letter or two letter set of characters used to identify an element.

• symbols

• products

• elements

• coefficient