Chemistry Final

2. Having a pH greater than 7; basic in nature.
7. An element that typically forms positive ions in chemical reactions.
11. Mass per unit volume; a measure of compactness in a substance.
12. A type of chemical bond formed by the sharing of electrons between atoms.
13. The branch of science that deals with the composition, structure, properties, and changes of matter.
15. Relating to or derived from living matter.
16. The process of combining different elements or substances to create something new.
17. A unit of length equal to one billion meters.
18. A positively charged subatomic particle found in the nucleus of an atom.
19. A region around the nucleus of an atom where electrons are likely to be found.
20. The simplest hydrocarbon, consisting of one carbon atom and four hydrogen atoms.

1. An alkali metal with the symbol 'K' on the periodic table.
3. Characteristic of a compound formed by the transfer of electrons
4. A substance made up of only one type of atom.
5. The degree to which a substance can dissolve in a solvent.
6. A negatively charged subatomic particle that orbits the nucleus of an atom.
8. The study of the quantities of substances consumed and produced in chemical reactions.
9. The tendency of an atom to attract shared electrons in a chemical bond.
10. A unit in chemistry representing Avogadro's number of atoms or molecules.
14. A variant of an element with the same number of protons but a different number of neutrons.