State of matter

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Across
  1. 3. Symbol of iron
  2. 5. No. of protons in Aluminum
  3. 11. Who made the periodic table
  4. 14. Smallest part of the matter
  5. 15. How many states of matter are there
  6. 16. This element is essential to the living
  7. 17. We use ______________ to represent elements.
  8. 19. The central part of the atom.
  9. 20. Symbol of sodium
Down
  1. 1. What is the mass no. of carbon
  2. 2. In which state is water after freezing
  3. 4. Who discovered platinum
  4. 6. Protons and electrons are __________ in no.
  5. 7. Ti stands for which atom
  6. 8. The no. of atoms present in a molecule of an element is called___________
  7. 9. Name an element whose atoms occur in pairs
  8. 10. What is the latin name for beryllium
  9. 12. Tc stands for which atom
  10. 13. what is the group of atom either in a compound or existing alone called________
  11. 18. Borum is the latin name for which atom