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Atoms & Bonding
an electrically charged atom or group of atoms formed by the loss or gain of one or more atoms
An ion made up of two or more atoms bonded together that acts as a single unit with a net charge.
electrons in the outermost energy level
the attraction between two oppositely charged ions, forms ionic compounds
composed of positive and negative ions that are combined so that the numbers of positive and negative charges are equal
force of attraction that holds 2 atoms together
process in which substances under so chemical charges that result in the formula of new substances.
shares the ration, if none written it's one
orderly 3 dimensional arrangement of atoms
properties of metals
luster, brittle, malleable, ductile, good conductors of heat,electricity
bond formed when atoms shared electrons
a neutral group of atoms that are held together by one or more covalent bonds
a bond formed when two atoms share a pair of electrons
a covalent bond in which two pairs of electrons are shared between two atoms
a covalent bond in which three pairs of electrons are shared by two atoms
a covalent bond in which electrons are not shared equally
Covalent bond where electrons are shared equally
a mixture of two or more elements that has the properties of metals
an attraction between a positive metal ion and the electrons surrounding it
properties of ionic compounds
High melting and boiling points, conducts electricity as liquids or solutions, hard and brittle, solids at room temperature
properties of molecular compounds
low melting and boiling points, poor counducity, many are liquids at room temperature.
a chemical compound whose simplest units are molecules