CHEMISTRY

4. A unit for showing masses of atoms, molecules, or particles.
9. This allows us to change the units used to express a value
11. A type of matter with molecules that easily flow around
13. Horizontal rows in the periodic table are also called periods.
15. Groups in the periodic table such as alkali metals, alkaline earth metals, or transition metals etc.
17. Located on the top right of the periodic table
19. Mass, The mass in grams of 1 mole of a substance
20. Solutions that depend on concentration of particles, not their identity
22. Taking in energy such as heat or light
23. A theory that states that reactions occur when a molecule collides with energy
24. A type of matter with molecules arranged in repeating patterns
26. The transformation of a substance into a new one with different properties
27. Inside the nucleus with a positive charge & weighs 1 AMU
29. A different amount of electrons and protons = a charged atom
30. Outside nucleus with a negative charge

1. 6.022 x 10^23
2. A mixture of solute and solvent
3. Inside the nucleus with no charge
5. How a substance behaves and reacts during a chemical reaction.
6. Characteristics of a substance that can be observed without changing its composition
7. Gay-Lussac's law measures the temperature and pressure of what matter?
8. Atoms with the same number of protons, but a different number of neutrons
10. The amount of area that is exposed so it is able to react
12. A substance that increases the rate of a chemical reaction
14. Releasing energy such as heat or light
16. Ratio, Mole to Mole uses this as a conversion factor
18. An attraction between atoms that holds them together
21. How to find the ratios of reactants and products in a chemical reaction
25. Located on the left side and center of the periodic table
28. Located on the outermost electron shell