chemistry vocabulary unit 1

group of chemical elements in the periodic table with very similar properties

group in the periodic table consisting of five chemically related elements: fluorine, chlorine, bromine, iodine, and astatine.

group of chemical elements with similar properties: under standard conditions, they are all odorless, colorless, monatomic gases with very

chemical element that has properties in between those of metals and nonmetals

pure chemical substance consisting of two or more different chemical elements that can be separated into simpler substances

typically hard, opaque, shiny,

chemical element that mostly lacks metallic attributes. tend to be highly volatile, have low elasticity, and are good insulators of heat .

one of the four fundamental states of matterstructural rigidity and resistance to changes of shape or volume

one of the four fundamental states of matter, and is the only state with a definite volume but no fixed shape

anything that takes up space

pure chemical substance consisting of a single type of atom distinguished by its atomic number

material system made up of two or more different substances which are mixed but are not combined chemically

elements are arranged in a series of rows so that those with similar properties appear in a column

a column of elements in the periodic table of the chemical elements. There are 18 numbered

of the same kind; alike.

made up of parts that are different

property that is measurable whose value describes a state of a physical system

changes affecting the form of a chemical substance, but not its chemical composition.

any of a material's properties that becomes evident during a chemical reaction

substance combines with another to form a new

external property (or outside influence) that changes based on what is required from it

bulk property is an entity's physical make-up

The state of matter distinguished from the solid and liquid states by relatively low density and viscosity, relatively great expansion and c