Across
- 4. A vertical column on the periodic table that have similar properties
- 8. When a nonmetal and a nonmetal combine
- 11. A form of mixture, milk is one example
- 12. A unit used to measure atomic mass
- 14. When two elements join, there are ionic and molecular ones
- 15. Happens to an atom when it losses or gains electrons
- 17. The process of losing heat to turn from a gas to a solid
- 19. A horizontal row on the periodic table
- 21. A physical property calculated by mass divided by volume
- 22. Elements that don’t react much, gases
- 23. A positively charged Elementary Particle that is embedded in the Nucleus
- 25. A pure substance that can’t be separated any more, 118 of them
Down
- 1. Table A table that organizes the elements
- 2. A atom model developed by J.J. Thomson
- 3. The most reactive group of metals on the periodic table
- 5. A neutral charged Elementary Particle that forms part of the Nucleus
- 6. When a metal and a nonmetal with ionic charges combine
- 7. A pseudo science that involved turning things into gold
- 9. Gas to liquid
- 10. The person who created the word atom or atomos
- 13. The person who came up with the current periodic table
- 16. A physical property based on the Moh’s scale
- 18. The core or solid center of an atom
- 20. A negatively charged Elementary Particle that moves in shells around the nucleus
- 24. The fourth state of matter