Chemistry Bonus

1. state of matter characterized by having neither a defined shape nor defined volume.
5. describes a system containing water.
6. what is put into a chemical reaction
9. gas in which molecules have negligible size and kinetic energy dependent only on temperature.
11. representation of a chemical reaction using symbols
12. a solute passing into solution, usually a solid going to the liquid phase.
14. deoxyribonucleic acd, an organic molecule that codes for proteins.
15. result of chemical reaction
17. the variable that is controlled or changed in an experiment to test its effect on the dependent variable.
18. the closeness of a measurement to a true or accepted value.
20. transformation from a gas directly to a solid
21. the adhesion of a chemical species onto a surface

2. an ion with a negative electrical charge.
3. any matter or substance that has mass.
4. transformation from a solid directly to a gas
7. to release heat
8. the lowest possible state at which matter can exist, 0 K or -273.15°C.
10. important numbers in a number
13. the absorption of heat
16. a technique where a solution of known concentration is used to determine the concentration of an unknown solution
18. the defining unit of an element, which cannot be subdivided using chemical means.
19. mass per unit volume