chemistry

1. created by linking monomers together to make a chain; proteins; DNA, and slime
5. number that shows the number of each element in a compound
8. anything that has mass or volume
10. substance that does the dissolving in a solution
12. a mixture of two or more metals
16. subatomic particle with no charge; found in the nucleus
18. atoms of the same element with different numbers of neutrons
21. smallest part of an element; made up of protons, neutrons, and electrons
22. a solid in which the atoms are arranged in a pattern that repeats again and again
24. substances that are produced by a chemical reaction
25. particles that make up protons and neutrons
26. an atom that has lost or gained an electron
27. molecules that are linked together to make polymers

2. two or more substances mixed together, but are not chemically combined
3. elements found on the left-hand side of the periodic table
4. type of mixture appears the same throughout
6. homogeneous mixture in which one substance is dissolved in another
7. electrons in the outermost energy level
9. a group of atoms held together by covalent bonds
11. elements found on the right-hand side of the periodic table
13. groups or columns of elements in the periodic table with similar properties
14. an atom that has gained an electron and has a negative charge
15. a mixture made up of a liquid and particles that remain suspended rather than dissolved in that liquid
17. center of the atom
19. subatomic particle with a negative charge; found in energy levels around the nucleus
20. an atom that has lost an electron and has a positive charge
23. subatomic particle with a positive charge; found in the nucleus