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International System (SI)
the unit system for science
a hypothesis that has been tested with a significant amount of data
a testable prediction, often implied by a theory.
attractive forces between molecules holding them in a form to create liquids and solids
a bond formed when atoms share one or more pairs of electrons
a bond that results from electrostatic attraction between oppositely charged ions. The cation is positively charged, while the anion is negatively charged.
Heat and energy are released by a reaction
Heat and energy are absorbed by a reaction