Periodic Table
Across
- 2. this element is used to make jewelry, it is symbol Au
- 7. this ion has a -1 charge, mass number 81, and 46 neutrons
- 10. nonmetal in period 6
- 11. neutral atom contains 51 electrons
- 12. element likely to have a -3 charge
- 14. halogen with mass closest to 120
- 16. all atoms will gain or lose electrons to form an __
- 19. gallium is most likely to ____ 3 electrons
- 20. atomic number 38
- 21. metalloid in group 16
- 23. contains 7 protons
- 24. this element is required for strong bones and teeth
- 25. columns on periodic table
- 26. element in group 1 that is not a metal
Down
- 1. ______ metals are in group 1
- 3. in group 13 and period 3
- 4. number of valence electrons in a transition metal
- 5. sulfur is most likely to ____ 2 electrons
- 6. horizontal lines on periodic table
- 8. name of the group of elements that are stable and are not likely to gain or lose electrons
- 9. negative ions are called _____
- 13. chlorine is a member of the _______ group / family
- 15. noble gas with 2 valence electrons
- 17. element in period 4 with 1 valence electron
- 18. metalloid most likely to form a positive ion
- 22. this transition metal in period 6 is a liquid at room temperature
- 24. positive ions are called ______