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atoms
Term | Definition |
---|---|
atom | basic unit of matter |
compound | two or more elements combined |
covalent bond | moving electrons travel about the nuclei of both atoms |
electron | negative charge |
element | one type of atom |
ion | positive and negative charged atoms |
ionic bond | one or more electrons are transferred from an atom to another |
isotope | atoms that differ in the amount of neutrons |
molecule | smallest unit of compounds |
neutron | neutral charge |
nucleus | center of the atom |
proton | positive charge |
valance electron | outer shell electrons |
van der waals forces | intermolecular forces of attraction |