Chemistry Crossword

5. Total number of protons + neutrons.
6. an atom with an electric charge due to loss or gain of electrons
7. thing that holds all of the elements
12. The group to the right of the Transition Metals and to the left of the Metallloids.
14. the guy who made the periodic table
16. Most reactive.
17. The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
19. Most reactive non-metals.

1. Will never change, because it will become a different element.
2. Tells the number of protons.
3. Top group of the 2 that is usually under and do not fit into the Periodic Table.
4. Has Calcium and Barium.
8. the study of the elements
9. The elements on the stair line.
10. Has Hydrogen and Carbon in it.
11. Do not react at all.
13. Atoms will always react when they have a full shell.
15. Do not add mass to the atom
16. The letters of the elements.
18. Add mass to the atom.