Physical science vocab words Crossword puzzle

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Across
  1. 1. the center part of an atom which carries the electrons and protons.
  2. 3. a chemical bond between to nonmetal atoms.
  3. 4. the number of atoms in the chemical formula.
  4. 5. the system of electrons located in the outside of the nucleus of an atom.
  5. 7. a row of elements in the periodic table.
  6. 9. a vertical column in the periodic table
  7. 12. a group atoms connected to each other
  8. 14. these types of elements do not conduct heat and electricity well and are located in groups 14-18.
  9. 15. a negatively charged ion.
  10. 16. an atom with more or less neutrons than it should carry.
  11. 18. the number of neutrons and protons in an atom.
  12. 22. the arrangement of electrons in energy levels around the nucleus.
  13. 23. the mass of an atom.
  14. 25. the outermost electron in an electron shell.
  15. 27. an atom with a charge.
  16. 28. Where oppositely charged ions attract each other and the valence electrons gets moved permanently.
  17. 30. a subatomic particle that has no charge and is located in the nucleus of an atom.
  18. 31. a chemical bond between a metal atom and a nonmetal atom.
  19. 34. the number of protons located in the nucleus of an atom.
  20. 35. a positively charged ion.
Down
  1. 2. is a way of showing the elements in a compound and the formula for it.
  2. 6. two or more atoms of different elements being held by a chemical bond.
  3. 7. an atom with a positive charge.
  4. 8. Formation of a chemical bond between two or more atoms.
  5. 10. is a state of matter such as solid,liquid,gas,and plasma.
  6. 11. metalloids are a types of elements that have characteristics in the middle of nonmetals and metals.
  7. 13. a compound made of exactly 2 different elements.
  8. 17. a chart that lists all the elements in the world.
  9. 19. an atom with a negative charge.
  10. 20. high conductivity for electricity and heat.They are usually hard but some very few metals can be soft.
  11. 21. the building blocks of everything.
  12. 24. columns of elements in the periodic table that have similar characteristics.
  13. 26. elements from groups 1-2 and groups 13-18.
  14. 29. a positively charged subatomic particle that is located in the nucleus of an atom.
  15. 32. a subatomic particle that is located near the nucleus and flies around it this particle has a negative charge.
  16. 33. properties of chemical elements in the periodic table.