Across
- 1. the name given to electrons in the outermost shell
- 4. A group of non-metals that include fluorine, chlorine, iodine, bromine and astatine.
- 8. The heaviest Alkali Metal
- 10. The lightest Noble Gas
- 12. A chemical element that is not a metal.
- 14. the charge of a neutron
- 16. An Alkali Metal with 4 Shells (Period 4)
- 18. the charge of an electron
- 20. the subatomic particle inside the nucleus with a neutral charge
- 21. the subatomic particle inside the nucleus with a positive charge
- 22. the name given to the columns of the periodic table
- 23. the Element with chemical symbol H
- 25. the name for layers around the atom that houses electrons
Down
- 2. The arrangement of electrons in the shells and subshells of an atom.
- 3. The total number of protons and neutrons in the nucleus of an atom.
- 5. the charge of a proton
- 6. the Element with chemical symbol Cl
- 7. An element that has properties of both metals and non-metals.
- 9. the subatomic particle with a negative charge that orbits the atom
- 11. the lightest Alkali metal
- 13. The element with atomic number 33
- 15. An element that is malleable, ductile, and an electrical and thermal conductor.
- 17. The name given to the rows on the periodic table (number of shells)
- 19. The number of protons in the nucleus of an atom, which is a unique identifier for each element.
- 24. the Element with chemical symbol O