Term | Definition |
Physical property | a characteristic that can be observed or measured without changing the identity of matter |
Malleability | Physical property of matter that describes its ability to be pounded into thin sheets |
Ductility | Physical property of matter that dscribes its ability to be pulled into a wire |
Solubility | Physical property of a substance describing its ability to be dissovled in another substance |
State | Change of one physical form to another |
Chemical property | ability of a substance to change into a new substance with different properities |
Physical change | Change from one state to another without a change in chemical compostition |
Chemical change | Any process determined by the atomic and moleculr composition and structure of substances involved |
Element | Pure substance that cannot be seperated into simpler substances |
Pure substance | Cannot be seperated into components by physical seperations |
Compound | Forms when atoms two or more elements comne chemically |
Metal` | Element that is a solid at room rempertature, a good electicial conductor ductile, and has a shiny luster |
Metalliod | Element that has some properties of metal and some properties of nonmetals |
Mixture | Substance made by mixing other substances |
Solution | Liquid mixture in which the minor component is uniformly distributed within major components |
Solute | Minor component in a solution dissolved in a solvent |
Solvent | able to dissolve other substances |
Neutron | No electric charge |
Electron | Negative charge |
Atomic mass | Measure atomic mass |
Atomic number | Number of proton in the nucleus of each of elements atoms |
Isotopes | Atom that has a different number of nuetrons than other atoms of the same element |
Mass number | Total number of protons and nuetrons in a nucleus |
Ions | Atom of molecule with a net electric charge due to the loss or gain of one or more electrons |
Cation | Positivly charged ion |
Anion | Negativily charged ion |
Valence electron | Electron in outer shell of an atom ehich can combine with other atoms to form molecules |