Periodic Table Crossword
Across
- 4. An element that tends to be shiny, easily shaped, and a good conductor of electricity and heat.
- 6. one of the most reactive families on the periodic table, group 7.
- 7. A table of the elements arranged by the atomic number, that shows the pattern in their properties.
- 8. Likely to undergo chemical change.
- 10. The number of protons in the nucleus of an atom.
- 13. An atom or group of atoms that has a positive or negative electric charge.
- 16. one of the most reactive families on the periodic table, group 1.
- 18. A particle that has no electric charge and is located in an atom's nucleus.
- 19. The shortened Latin name of an element, how it is identified on the periodic table.
- 20. An element that is not a metal and has properties generally opposite to a metal.
Down
- 1. A positively charged particle in an atom's nucleus.
- 2. A vertical column in the periodic table of elements.
- 3. Valence electrons are on the _______ shell.
- 5. The process by which the nucleus of an atom of an element releases energy and particles.
- 9. A negatively charged particle found outside an atom's nucleus.
- 11. An element that has properties of both a metal and a nonmetal.
- 12. What family of elements on the periodic table are stable with full valences?
- 14. The central region of an atom where most of the atom's mass is found in protons and neutrons.
- 15. A horizontal row in the periodic table of elements.
- 17. The averages of an atom's isotopes.