pure substance that cannot be broken down right into less complicated substances by chemical or physical implies. Each element has actually distinct physical and chemical properties.

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compounda pure substance consisted of of atoms of 2 or even more different facets joined together by chemical bonds.
mixturea mix of 2 or even more subtances that are not chemically combined. Not a pure subtance.
pure substancea sample of issue, either a solitary element or a single compound, that has actually definite chemical and physical properties.
physical changea adjust of issue from one create to another without a readjust in chemical properites -- such as a state change, disaddressing, crushing, bfinishing, cutting, and so on.

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chemical changea change that occurs when products are changed by the making or breaking of chemical bonds right into new substances with brand-new properties.
regulation of conservation of matter/massmatter cannot be produced or destroyed; in a chemical reactivity, this implies that the number and type of atoms in the reactants need to equal the number and type of atoms in the products
atomsmallest unit of an facet that still has the properties of that element
moleculesmallest unit of a compund that still has actually the properties of that compound; at least 2 atoms bonded together
solutionhomogenous mixture of 2 or more substances; example: salt-water
dissolvingthe process in which pwrite-ups of substances separate and spreview evenly throughout a mixture
homogenous mixturea mixture via all components evenly mixed throughout; it looks prefer on substance
heterogenous mixturea mixture that is extremely unevenly blended, various parts of the mixture are visible
productsin a chemical reaction, the compounds or elements that are produced by the reaction
reactantsin a chemical reaction, the compounds or elements that enter into the reaction
massamount of matter in an objects, measured in grams or kilograms
flammabilitya chemical home that describes how well a material reacts to burn via oxygen
solubilitya physical home that explains how well a material dissolves into another material
characteristic propertya physical or chemical residential or commercial property that deserve to be supplied to identify a substance; it does not differ through the amount of the substance; ex: boiling point, ,flammcapability, solubility