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Sci Tri 3 beginning
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- 1Exothermic(of a reaction or process) accompanied by the release of heat.
- 2mixtureIn chemistry, a mixture is a material system made up of two or more different substances which are mixed but are not combined chemically.
- 3Weak Forceplays a greater role in things falling apart, or decaying.
- 4IsotopesAverage atomic mass
- 5Atomic numberthe number of protons.
- 6Atomthe basic unit of a chemical element.
- 7Mendeleevcreated 1st periodic table
- 8Physical PropertyA physical property is any property that is measurable, whose value describes a state of a physical system.
- 9Strong forceresponsible for binding together the fundamental particles of matter to form larger particles.
- 10Mass numbertotal number of protons and neutrons.
- 11NeutronThe neutron is a subatomic particle, symbol n or n0, with no net electric charge.
- 12Alloysmaterials made up of more than one chemical element.
- 13StateSolid, liquids, and gases
- 14chemical changechange that results in the formation of new chemical substances.
- 15Elementa substance consisting of atoms which all have the same number of protons.
- 16SolidOne of four main states of matter, in which the molecules vibrate about fixed position.
- 17Homogeneousrefers to substances and mixtures which are in a single phase.
- 18Suspensionundisturbed, the particles are likely to settle to the bottom.
- 19concentartionthe number of molecules or ions in a given volume of a substance.
- 20metalstypically hard, opaque, shiny, and has good electrical and thermal conductivity.
- 21electron cloudused to describe where electrons are when they go around the nucleus of an atom.
- 22Heterogeneouscomposes of components that aren't uniform or they have localized regions that all have different properties.
- 23periodsHorizontal row
- 24electromagnetic forcethe electromagnetic force acts between charged particles and is the combination of all electrical and magnetic forces.
- 25ProtonPositive chare
- 26Atomic Massmass of an atomic particle.
- 27endothermic(of a reaction or process) accompanied by or requiring the absorption of heat.
- 28metalloidswhose properties are intermediate between those of metals and solid nonmetals.
- 29groups18 of these on the periodic table
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- Fichas sobre Sci Tri 3 beginning, creado por binaryjason1010 el 09/03/2016.
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