Across
- 2. element with atomic number 32
- 7. element with atomic mass 40
- 9. element with the highest ionization energy
- 10. family that will lose an electron to become a +1 ion
- 11. protection from provided by lead
- 13. used to clean out glassware
- 14. Place to put broken glass
- 15. family with 7 valence electrons
- 16. as the distance between protons and electrons decreases, the force of attraction will ____________
- 17. baking cookies is an example of ______________
- 19. electronegativity increases going to the _________ across the periodic table
- 20. element with the highest reactivity
- 21. most important lab safety item
- 23. subatomic particle with no charge
- 24. used to heat chemicals in the lab
- 27. family with full outer shells; nonreactive
- 28. positively charged subatomic particles
Down
- 1. moving from left to right on the periodic table, the atomic radius will ______________
- 3. decay that decreases the atomic mass by 4
- 4. cutting your hair is an example of _____________
- 5. used to exactly measure a liquid
- 6. process used in nuclear power plants
- 8. family that takes up the most room on the periodic table
- 12. calculated by adding the atomic number to the number of neutrons
- 18. same as the number of protons
- 20. element with the highest electronegativity
- 22. always produces an electron
- 25. discovered the nucleus through the Gold Foil Experiment
- 26. process that joins two smaller atoms