Science Project

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Across
  1. 1. Non-metal and has a charge of -3. Has the number 15.
  2. 3. This is a transition metal and has a charge of +1. It is known as Ag and number 47.
  3. 5. The symbol is Au and it is a transition metal. It is number 79 on the periodic table.
  4. 6. It is a metal and is number 56. Has a charge of +2.
  5. 9. It is a Noble gas and has 8 valence electrons. Its number is 10.
  6. 11. Has a charge of +3 and is metalloid. The number is 13.
  7. 14. Also an alkaline earth metal and has a charge of +1. The number is 11.
  8. 15. has a charge of positive one and it is an Alkali metal. The symbol is Li and its number is 3.
  9. 17. Known as I with a negative 1 charge. Number 53 on the periodic table.
  10. 18. The symbol Ca and is an alkaline earth metal. Its number is 20.
  11. 19. Stands for Si and is one of the staircase metalloids.
  12. 20. Has a -1 charge and is number 17.
  13. 21. It is a non-metal and has a charge of -2. The number is 8.
Down
  1. 2. The 1st element on the periodic table and has a charge of +1.
  2. 4. Another noble gas and it stands for Ar.
  3. 7. Charge of +2 and is a metal. Its number is 4.
  4. 8. The group's name is Halogens and the number 9 on the table. F is the symbol.
  5. 10. Charge of +2 and is an alkaline earth metal. Number 12 on the periodic table.
  6. 12. The symbol is Sr and is an Alkaline Earth metal.
  7. 13. This is also in the group Halogens and has the symbol Br.
  8. 16. The symbol is Zn and is a transition metal. Has a charge of +2.
  9. 18. It has a charge of + or - 4 and its number is 6.