Across
- 2. a reaction that occurs when chemical bonds are formed or broken
- 6. the relationship between qunatities of reactants and products before and after the chemical reaction.
- 11. when the same number of each type of atoms of both left and right sides of the reaction arrow
- 13. a single kind of matter that cannot be seperated into other matter by physical means.
- 14. a positive or negatively charged atom.
- 15. the empirical formula of any ionic or covalent network solid compound used as an independent entity for stiochiometric calculations.
- 16. 6.02214076 . 10^23
Down
- 1. a formula giving the proportions of the elements present in a compound but not the actual numbers of arrangements of atoms.
- 3. a way to present chemical proportions of atoms that constitute a particular chemical compound or element using element symbols, numbers, etc.
- 4. a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, etc.
- 5. the mass of a substance (in grams) divided by the number of moles in a substance.
- 7. tells you by mass what percent of each element is inside a compound.
- 8. an arithmetic multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another.
- 9. a compound, usually a crystalline, in which water molecules are chemically bonded to another compound or element.
- 10. a particle of matter that uniquely defines a chemical element.
- 12. the relationship between quantities relative to substances taking part in a reaction leading to a compound