ANYTHING THAT MAKES UP SPACE

SMALLEST UNIT OF AN ELEMENT

PROTONS THE MAKE THE ELEMENT ETHER LIQUID SOLID OR GAS

THE PERIODIC TABLE, IS A TABULAR DISPLAY OF THE CHEMICAL ELEMENTS, WHICH ARE ARRANGED BY ATOMIC NUMBER, ELECTRON CONFIGURATIONS

2 OR MORE ATOMS THAT ARE COMBINED

EXAMPLE: H2O TWO ELEMENTS MAKING BOTH AN ATOM AND COMPOUND

A subscript or superscript is a character (number, letter or symbol)

coefficient is a constant term related to the properties of a product.