science

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Across
  1. 5. are earths metal
  2. 6. theory it explians the physical properties of matter
  3. 8. is a membrane-bound organelle that contains cells chromosomes
  4. 9. made up of several pats of elements
  5. 11. a group of atoms bonded together
  6. 13. is the net movement of solvent molecules through a selectively membrane into a region of higher solute concentration
  7. 16. a particle about the same mass as a proton but without an electrical charge
  8. 18. any substance that has mass
  9. 21. a table of the element arranged in order of atomic number
  10. 23. to get peoples attention
  11. 25. lack characteristics of metal
  12. 27. another name for atomic number
  13. 28. a minute portion of matter
  14. 29. a metal made by combining two or more metallic elements
Down
  1. 1. is the number of protons found in the nucleus of every atom of that element
  2. 2. it is a subatomic particle with a charge of negative energy
  3. 3. they are acidic
  4. 4. the net movement of anything thing form higher or lower concentration
  5. 7. they have properties of metal and non metals
  6. 10. smaller than or occurring within an atom
  7. 12. an essential part of something abstract
  8. 14. a notation of one or two letters representing a chemical element
  9. 15. a total number of protons and nuetrons in a nucleus
  10. 17. they are very reactive, electropositive metals
  11. 19. its apart of the periodic table
  12. 20. a number of elements occupying a column
  13. 22. the capacity of doing work
  14. 24. the smallest part of a chemical element
  15. 26. a solid material that use to build things
  16. 28. is a stable particle with a positive energy charge