Chemistry Crossword

6. Has Calcium and Barium.
8. an element with an electric charge formed formed loss or gain in electrons.
9. Add mass to the atom.
11. The bottom group of the 2 that is usually under, and do not fit into, the Periodic Table.
12. Most reactive non-metals.
15. the study of the elements
16. Tells the number of protons.
17. Has Hydrogen and Carbon in it.
19. thing that holds all of the elements
20. Total number of protons + neutrons.

1. Do not react at all.
2. Atoms will always react until they have a full shell.
3. Do not add mass to the atom
4. Most reactive.
5. The group to the right of the Transition Metals and to the left of the Metallloids.
7. Top group of the 2 that is usually under and do not fit into the Periodic Table.
10. the guy who made the periodic table
13. The letters of the elements.
14. The elements on the stair line.
18. Will never change, because it will become a different element.