Across
- 1. What you do to a wrinkled shirt
- 5. Trick question! How many children does Danny Devito have
- 9. Lowly reactive metals that are good conductors
- 11. What are the horizontal rows of the periodic table called
- 12. Trait group 1 has in common
- 16. Properties are intermediate between those of metals and solid nonmetals or semiconductors
- 17. How many periods are there
- 18. Group 1
- 19. The smallest particle of an element that retains all of the properties of an element
- 20. Elements in the same group have the same amount of ______
- 21. Another word for group
Down
- 2. Least reactive family
- 3. Found in toothpaste
- 4. Located on the left side of the periodic table
- 6. The atomic number of an atom is the number of ________ in the atoms nucleus
- 7. Known as the father of the periodic table
- 8. State of matter when a gas condenses
- 10. Which group has two valence electrons
- 13. Has atomic number of 82
- 14. What state of matter are the particles closest together
- 15. Found by the formula atomic mass - atomic number