Across
- 4. the total distance from an atom's nucleus to the outermost orbital of electron
- 5. atomic number 8
- 9. particle in the atom with no charge
- 11. atomic number 6
- 14. the number of protons in the nucleus of an atom
- 17. negatively charged particle in the atom
- 18. elements in group 1
- 21. tabular display off the chemical elements
- 22. determined by the number of electrons in the outermost shell of an atom
- 25. any substance that has mass and takes up
- 26. elements that are not metals
Down
- 1. the scientific study of the properties and behavior of matter
- 2. positively charged particle in the atom
- 3. group 17
- 6. atomic number 1
- 7. gasses with extremely low reactivity rates
- 8. the impulse for which a chemical substance undergoes a chemical reaction
- 10. a function describing the location and wave-like behavior of an electron in an atom
- 12. pure substance
- 13. vertical column on the periodic table
- 15. any of various chemical elements that have valence electrons—i.e., electrons that can participate in the formation of chemical bonds—in two shells instead of only one.
- 16. atomic number 2
- 19. the average mass of the atoms of an element measured in atomic mass units
- 20. any of a class of substances characterized by high electrical and thermal conductivity as well as by malleability, ductility, and high reflectivity of light
- 23. horizontal column on the periodic table
- 24. the basic unit of a chemical element