of the same kind; alike.


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


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

physical property

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


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


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


bulk property is an entity's physical make-up


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

chemical change

substance combines with another to form a new


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


typically hard, opaque, shiny,

alkaline earth metal

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

physical change

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


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


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


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

chemical property

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

alkali metal

group in the periodic table consisting of the chemical elements lithium, sodium, potassium, rubidium, caesium, and francium.


anything that takes up space

noble gas

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


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


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


made up of parts that are different


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

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