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Chem Set 2

Physical & Chemical Changes

QuestionAnswer
Brittle easily broken apart
Conductive an object that is able to transfer electricity or heat through it, an example is iron or glass
Corrosive the destruction of metal due to a chemical reaction
Ductile an object that is able to be rolled into a wire, copper is an example
Insulator material that DOES NOT allow electricity or heat to flow through easily
Luster the sheen of an object, how shiny it is
Malleable an object that is able to be bent or shaped, ex. gold & silver
Physical change a way to describe a change in matter DOES NOT change it chemical identity
Reactivity how easy or difficult (the speed) an element or compound combines with another one
Sublimation change in state from a solid directly to a gas without turning to a liquid
Precipitate a chemical change that happens when 2 different insoluble liquids are combined and create a solid
Evidence of a Chemical Change color change, formation of a precipitate (a solid from 2 liquids), formation of a gas (bubble), odor change, temperature change (hot/cold)
Evaporation state of matter change from a liquid to a gas
Condensation state of matter change from a gas to a liquid
Deposition state of matter change from a gas to a solid
Melting state of matter change from a solid to a liquid
Freezing state of matter change from a liquid to a solid
Chemical Change chemical reaction involving the rearrangement of the atoms of one or more substances. This changes the chemical properties of the original substances resulting in the formation of at least one new substance
Solution aka homogeneous mixture
Alloy a solid mixture of two or more metals, ex. brass b/c it is a mixture of copper and zinc
Compound A pure substance that chemically combines with two or more elements
Heterogeneous Mixture A mixture where the substances aren't equally distributed, See the different parts
Homogeneous Mixture mixture of 2 or more substances that you cannot see the different parts
Element A pure substance that cannot be broken down, Found on the PT
Solvent The part of the solution that does the dissolving
Solute The part of the solution being dissolved
Created by: jhandy8
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