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scienece chp 6
less 3
| Term | Definition |
|---|---|
| compound | a substance formed when 2 or more elements combine chemically |
| chemical bonds | the force that holds together the atoms in a compound |
| ions | an atom that has lost or gained electrons |
| molecule | a particle formed by sharing electrons |
| formula | a group of symbols that shows the elements in a compound |
| atomic structure | h2o water 2 hydrogen atoms 1 oxygen atom |
| ionic bond | chemical bond where electrons are gained or lost |
| molecular bond | chemical bond where electrons are shared |