General Science

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Across
  1. 3. Has negative charge
  2. 5. Number of protons in the nucleus of an atom
  3. 6. Different forms of an element
  4. 9. Chlorine and bromine are a part of this family
  5. 11. Total distance from the center of an atom to its outermost electrons
  6. 15. Positively charged Ion
  7. 16. A item that cannot be easily broken down into smaller pieces
  8. 18. Outermost electrons
  9. 20. Negatively charged Ion
  10. 22. Attraction between atoms that enables the formation of chemical compounds
  11. 23. Center of the atom
  12. 24. A push or pull that acts upon an object
  13. 26. Measure of mass in motion
  14. 28. Distance from the center of an ion and the outermost shell
Down
  1. 1. Decides the atomic number of an element
  2. 2. Surrounded by a cloud of electrons
  3. 3. Tendency of an atom to attract electrons towards itself
  4. 4. Bond formed between two ions with opposite charges
  5. 7. Array of the chemical elements
  6. 8. Measurement of movement in a direction
  7. 10. Type of bond in which electrons are shared unequally
  8. 12. Amount of stuff in an object
  9. 13. Bond formed when electrons are shared between atoms
  10. 14. Bond between atoms in a metallic element
  11. 17. Approximately equivalent to the number of protons in and neutrons
  12. 19. Smallest particle of a substance that has all the properties of said substance
  13. 21. The rate at which an object changes its velocity
  14. 25. Subatomic particle present in all atomic nuclei with the exception of ordinary hydrogen
  15. 27. The measure of the force of gravity acting on an object
  16. 29. Atom with a charge