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vocab/flash cards

Reactivity The ease and speed with which an element or compound cobines with other elements or compouds.
Melting Point The temperature at which a substance changes from a solid to a liquid.
Density a measurement of how much mass of a substance is contained in a givin volume.
Bioiling point The tempature at which a substance changes from a liquid to a gas.
Flammability The ability for a substance to ignite and burn.
Characteristic Property a quality of a substance that never changes and can be used to identify a substace.
pH The greek symbol used in exspressing the acidity or alkaline of an element.
Physical Properties The ability of a substance to alter its form but does not change into a new substance.
Conductivity the ability or ease of a substance to transmit heat or electricity.
Chemical Properties the ability of a substance to change into a new substance or combine with a substance.
Atomic mass the average mass of one atom of an element . Mass is calculated by combining the mass of protons and neutrons.
Proton a small,positively charged particle in the nucleus of an atom.
Atom The smallest paticle of an element
subatomic The name given to particles that are smaller than the atom and make up atom.
Created by: pup/dogs