P.1.4 Vocab

Front

Scientific principle: mass cannot be created or destroyed during physical or chemical changes. Mass of reactants = mass of products.

Back

law of conservation of mass

Front

Process of chemical changes

Back

Chemical reaction

Front

Starting material in a chemical reaction

Back

Reactants

Front

A substance created during a chemical reaction.

Back

product

Front

Arrow in equation means:

Back

yield

Front

Group of symbols & numbers showing atom counts in a molecule

Back

Chemical Formula

Front

Number in front of reactants or products

Back

coefficient

Front

Number below an element

Back

subscript

Front

One or two letters representing a chemical element.

Back

Chemical symbol

Front

Symbols and formulas representing a chemical reaction

Back

Chemical equation