Periodic Table crossword
Across
- 1. A particle in the nucleus with a positive charge
- 4. The different molecules on the periodic table
- 7. The number of protons in an element's nucleus
- 8. The number of protons and neutrons in an element's nucleus
- 10. First name of the inventor of the periodic table
- 11. Often known as the rare earth elements, this comprises of fifteen metallic elements
- 14. A type of element with good electric conductivity, malleability and ductility
- 15. Last name of the inventor of the periodic table
- 19. The short name for elements
- 20. This element has a symbol of Cl
Down
- 2. A particle in the nucleus with no charge
- 3. The vertical rows on the periodic table
- 5. What elements are made out of
- 6. This element has an Atomic Number of 59
- 9. A type of element with properties of both metals and nonmetals
- 12. Encompasses the fifteen metallic elements with atomic numbers 89 - 103
- 13. table The list of elements and their properties
- 16. A type of element with bad electric conductivity, bad malleability and ductility
- 17. The center of an atom
- 18. The horizontal rows on the periodic table