the smallest unit of an element that has the properties of that element

the gradual wearing away of a metal as it combines with nonmetals in its environment

the amount of matter in a certain volume of a substance; found by dividing the mass of an object by its volume

the ability to be pulled into thin wires without breaking

a particle in the space outside the nucleus of an atom that carries one unit of negative electric charge

a pure substance that cannot be broken down into any simpler substances through chemical reactions

the ability to be bent, flattened, hammered, or pressed into new shapes without breaking

anything that has mass and takes up space

any of a group of elements that conducts heat and electricity, has a shiny luster, and is flexible

a particle that contains more than one atom joined together