Chemistry 4th 6 Weeks Test
__1. atomA. 6.02x1023, equals one mole
__2. Avogadro's numberB. a unit of measure in chemistry equal to 6.02 x 1023
__3. formula massC. mass of one mole of a compound. add together atomic masses
__4. formula unitD. smallest unit of something, ex atom
__5. moleE. smallest particle of a covalent compound
__6. moleculeF. smallest particle of an ionic compound
__7. particleG. smallest particle of matter
__8. balanced equationA. large number in front of a compound, tells how many
__9. CoefficientsB. smaller number written to the right and below an element
__10. law of conservation of massC. the amount of matter remains constant during a reaction
__11. ProductsD. substances at the beginning of a reaction
__12. ReactantE. what is formed during a reaction
__13. skeleton equationF. an equation without coefficients, may not be balanced
__14. subscriptsG. equation with coefficients, shows conservation of mass
__15. gas stoichiometryA. relationship between amounts of substances in an equation
__16. limiting reagentB. reactant that runs out first, limits amount of product
__17. mole ratioC. ratio of number of moles between 2 compounds in an equation
__18. stoichiometryD. relationship between volumes of gases during an equation
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