Investigating Chemical Formulas & Reactions

The formation of a new substance with different properties; cannot be undone by physical mean.

• chemical change

• chemical equation

• chemical formula

• chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

a representation of a chemical reaction by symbols and numbers.

• chemical change

• chemical equation

• chemical formula

• chemical reaction

Tags

NGSS.MS-PS1-5

a representation of a molecule or compound in which elements are represented by their symbols and subscripts represent the number of atoms of each element.

• chemical change

• chemical equation

• chemical formula

• chemical reaction

Tags

NGSS.MS-PS1-1

a change caused by the interaction of two or more substances (reactants) resulting in the formation of new substances (products)

• chemical change

• chemical equation

• chemical formula

• chemical reaction

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

the number placed in front of a chemical formula in a chemical equation; represents the number of molecules of that substance.

• coefficient

• subscript

Tags

NGSS.MS-PS1-5

the number written to the right and slightly below an element in a chemical formula; represents the number of atoms of an element present in a chemical formula.

• coefficient

• subscript

a substance made of two or more elements.

• compound

• molecule

Tags

NGSS.MS-PS1-1

combined atoms of the same element.

• compound

• molecule

Tags

NGSS.MS-PS1-1

matter is not created or destroyed; only rearranged.

• molecule

• law of conservation of mass

• precipitate

Tags

NGSS.MS-PS1-5

the formation of solids from a solution

• precipitate

• gas

• liquid

• reactant

Tags

NGSS.MS-PS1-2