Chap 2 vocab

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Across
  1. 3. formed between ions with opposite charges
  2. 5. one or more forms of an element that have different numbers of neutrons
  3. 10. ability of some elements to attract electrons
  4. 11. molecule that is result of chemical reaction
  5. 16. bond between two atoms of the same or different elements formed when electrons are shared between atoms
  6. 17. substance composed of molecules consisting of atoms of at least two different elements
  7. 19. two pairs of electrons are shared between two atoms
  8. 21. negatively charged subatomic particles that reside outside of the nucleus
  9. 22. very weak interaction between molecules due to temporary charges attracting atoms that are very close together
  10. 24. energy held by an object based on its position relative to other objects
Down
  1. 1. weak bond between slightly positive charged hydrogen atoms and slightly negative charged atoms in other molecules
  2. 2. a negative ion formed by an atom gaining electrons
  3. 4. graphic representation of the molecular structure
  4. 6. anything that has mass and occupies space
  5. 7. a positive ion formed by an atom losing electrons
  6. 8. the products and reactants do not change
  7. 9. molecule that takes part in a chemical reaction
  8. 12. atom or chemical group that does not contain equal numbers of protons or electrons
  9. 13. one of 118 unique substances that cannot break down into smaller substances
  10. 14. positively charged particle that resides in an atoms nucleus
  11. 15. outermost shell of an atom
  12. 18. two or more atoms chemically bonded together
  13. 20. power derived from the utilization of physical or chemical resources
  14. 23. smallest unit of matter