Terms in this set (13)
three types of chemical bonds?
ionic, metallic, covalent
(non-metal + metal)
(metal + metal)
(non-metal + non-metal)
remember that the number of electrons is supposed to be equal to the number of protons if the atom has a neutral charge
any atom with more or less electrons that it is supposed to have.
metals will tend to what?
loose electrons and become cations
is a substance formed from two or more elements which the exact combination and proportion of elements is always the same
tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound
when elements combine the compounds chemical and physical property are nothing like those of the individual elements.
are the electrons on the outside cloud of an atom
an atom is chemically stable when its outer most energy level has 8 valence electrons
hydrogen and helium?
are exceptions and only need 8 electrons
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