Science Review (11/19-20)

3. the amount of space that matter occupies
5. state of matter that has no definite shape but has definite volume.
6. the change in state from a solid directly to a gas without passing through the liquid state.
7. number of electrons that will fit in the second energy level.
9. element with 9 protons
11. the amount of matter in an object.
12. a proton consists of three of these.
14. type of solution that contains as much dissolved solute as is possible at a given temperature.
16. the ratio of the mass of a substance to its volume.
18. number of neutrons that Hydrogen-1 has.
19. a substance formed as a result of a chemical reaction.
20. an atom with the same number of protons and a different number of neutrons from other atoms of the same element.
21. the basic particle from which all elements are made.
22. the temperature at which a substance changes from a solid to a liquid.
25. number of neutrons in the most common isotope of fluorine.
27. number of valence electrons in a Carbon atom
28. atomic mass unit
29. a small particle in the nucleus of the atom with no electrical charge.

1. a measure of how much solute can dissolve in a given solvent at a given temperature.
2. a solid that forms from a solution during a chemical reaction.
4. solubility, density, and melting point are examples of these.
8. term to describe the electrons that are in the highest energy level of an atom and that are involved in chemical reactions.
10. an atom or group of atoms that has become electrically charged.
13. a substance that enters into a chemical reaction.
15. the number of protons in the nucleus of an atom.
17. charge of an ion that has two more electrons than protons (remember number goes first!)
23. charge of an atom with an equal number of protons and electrons.
24. number of electrons that will fit in the first energy level.
26. element with 10 protons