Activity Card
Activity 1: It's ELEMENT-ary!
Use the Periodic Table to complete the puzzle.
Down
Across
1. Atomic Mass: 15.999
2. Atomic Mass: 63.546
4. Atomic Mass: 39.098
6. Atomic Mass: 40.078
8. Atomic Mass: 55.845
3. Atomic Mass: 22.990
5. Atomic Mass: 14.007
7. Atomic Mass: 196.967
9. Atomic Mass: 107.868
10. Atomic Mass: 26.982​