Across
- 3. A column on the periodic table
- 7. indicates the orientation of an orbital around the nucleus
- 9. the specific amount of energy an electron has
- 10. the number of protons in the nucleus of an atom
- 11. A tough, multilayered structure secreted by the mantle, generally used for protection, but sometimes for body support
- 12. high electrical and thermal conductivity
- 14. electrons move around the nucleus in fixed, circular orbits
- 16. the total number of protons and neutrons in a nucleus.
- 18. Particles found within the atom, mainly protons, neutrons, and electrons.
Down
- 1. describes the angular momentum of an electron
- 2. indicates the shape of the orbital
- 4. a wave function describing the state of a single electron in an atom
- 5. the weighted average of the masses of the isotopes of an element
- 6. Electrons on the outermost energy level of an atom
- 8. an element that conducts heat and electricity poorly
- 11. any of the one or more orbitals making up an electron shell of an atom
- 13. an element that has properties of both metals and nonmetals
- 15. A horizontal row of elements in the periodic table
- 17. equal number of protons, different number of neutrons