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33 Cards in this Set

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  • Back
Matter
Anything that takes up space and has mass
Atom
Smallest funtional unit of matter
Element
A specific type of atom
Proton
A positively charged particle in the nucleus that has a mass of 1 AMU
Neutron
A particle in the nucleus with no charge and a mass of 1 AMU
Electron
A particle that orbits the nucleus in shells that has a negative charge and no mass
Nucleus
The center part of an atom that contains protons and neutrons
Shell
Areas around the nucleus that contain orbiting electrons
Bohr Diagram
A 2 dimensional drawing of an atom
Atomic Symbol
The standard abbreviation for an element
Atomic Number
The number of protons in an element
Atomic Mass
The average weight of an element which is equal to the protons plus the neutrons
Molecule
A combination of 2 or more atoms
Compound
A specific type of molecule
Isotope
An atom with a variant number of neutrons and thus a variant atomic mass
Ion
A charged atom due to a variant number of electrons
Bond
An attraction between atoms due to the exchange of electrons
Oxidation
The loss of electrons
Reduction
The gain of electrons
Ionic Bond
An attraction between atoms in which electrons are transferred from one to another
Covalent Bond
An attraction between atoms in which electrons are shared between atoms
Single Bond
One pair of shared electrons
Double Bond
Two pairs of shared electrons
Triple Bond
Three pairs of shared electrons
Hydrogen Bond
A weak attraction between polar molecules
Polar Molecule
A molecule in which the electrons are unequally shared causing a positive area and negative area
Catalyst
A substance that speeds up a chemical reaction
Electrolyte
A substance that releases ions in a solution
Acid
A substance that releases Hydrogen ions in a solution thus decreasing the pH
Base
A substance that releases Hydroxyl ions in a solution thus increasing the pH
Salt
The product of an acid-base reaction
Buffer
A substance that absorbs hydrogen and hydroxyl ions thus stabilizing the pH
pH
A measure of the hydrogen ion concentration of a solution