ACS GEN CHEM 1 FINAL QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED

the physical material of the universe. It is anything that has mass and occupies space. - Matter is made up of relatively few elements. - Matter The smallest building block of matter. Smallest particle that retains the chemical property of the element (O, He, S). - Atom Each _______ is made of the same kind of atom - Element Combination of atoms held together in specific shapes - Molecule No fixed volume or shape, conforms to volume and shape of container, is compressible - Gas Individual particles are confined to a given volume, liquid flows (no definite shape) and assumes the shape of its container up to the volume of the liquid, slightly compressible - Liquid Rigid with definite shape, very slightly compressible - Solid these stable diatomics - H2,O2, N2, and the Halogens (F2, Cl2, Br2, I2) Different samples of any pure compound contain the same elements in the same proportion by mass - Law of Constant (Definite) Composition characteristics of a substance. Can be observed without changing a substance into another substance - Physical PropertiesDescribes the reactivity of a substance. Can only be observed when a substance is changed into another substance - Chemical properties: Does not depend on amount. - Intensive property :