Periodic Table
Across
- 1. model that refers to treatment of electrons as particles that orbit the nucleus
- 5. negatively charged particle in atom
- 7. earth metals.
- 8. word used to describe the physical property where is easily breaks apart
- 9. a one or two letter abbreviation.
- 10. subatomic particle with no electric charge
- 11. properties of how the element/compound reacted with others
- 15. used to describe when a solid is put into a liquid and creates a solution
- 17. sum of the number of protons and neutrons in nucleus
- 19. last name of Russian scientist credited with periodic table
- 20. solution with over 7 pH
- 21. columns on the periodic table of elements
Down
- 2. substance made only of one type of atom
- 3. positively charged particle in atom
- 4. a group of atoms
- 6. silver colored metal usually tarnished by oxidation
- 8. temperature where liquid turns into a gas
- 10. center of atom
- 12. smallest particle of an element.
- 13. rows of the periodic table
- 14. measure of th number of particles as a miss in a given volume
- 15. scale for measuring temperature
- 16. substance made of two or more elements.
- 17. number that tells u number of protons and electrons.
- 18. light, silver gray metal with atomic number of 4(Be)