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Chemistry

FInal- Part 2

QuestionAnswer
Solubility? amount of a substance that DISSOLVES in a given quantity of solvent at specified conditions of temp. & pressure to produce a saturated solution.
Atomic Mass? the WEIGHTED AVERAGE of the masses of the isotopes of an element.
cations? any atom or group of atoms with a POSITIVE charge. . . They LOSE electrons
Anions? any atom or group of atoms with a NEGATIVE charge. . . They GAIN electrons.
Metals? ~Good conductors of Heat and Electric current~ Tend to be ductile, malleable, and shiny
Kinetic Energy? The energy an object has because of its MOTION.
Kinetic Theory of Gasses? ~ 1. Particles of a gas move independantly of one another. ~ 2. Move rapidly/quickly~ 3. Particles are FAR APART
Absolute Zero? The zero point on the Kelvin temperature scale, equivalent to -273.15 degree C
Gasses? a form of matter that takes the shape and colume of its container,~ has NO definite SHAPE or VOLUME
Liquids? a form of matter that FLOWS,~ has a fixed volume, and an indefinite shape.
Solids? a form of matter that has a definite SHAPE & VOLUME
Boiling Point? the temp. at which the vapor pressure of a liquid is just equal to the external pressure on the liquid.
How can you change the boiling point? ~ change the atmosphere pressure, the lower it is, the less time it takes to boil.
Electronegativity? The ability of an atom to attract electrons when the atom is in a compound.
Atomic Size? INCREASES from top to bottom l l l VDECREASES from left to right. ----->
Ionization Energy? The energy required to remove an electron from an atom in its gaseous state.
Metallic Bonds? ~ bonds between METALS, using free floating valence electrons~ Allows SOLIDS to conduct electricity~ Are/in SOlids
Covalent Bonds? ~ Between NON-METALS~ SHARE electrons~ KNOWN AS MOLECULAR COMPOUNDS!~ They coroporate
Ionic Bonds? ~ Between a METAL &&&& a NON-METAL~ Good Conductor of Electricity
Created by: Celinaaa