Chemistry SOL Review

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Across
  1. 3. The electrons located on the outermost part of an atom.
  2. 6. An atom that has lost or gained an electron so it holds a charge. (Protons and electrons are not equal)
  3. 7. The ID of an element. It tells how many protons an element contains.
  4. 9. A negatively charged ion
  5. 11. The eighteen COLUMNS that go down the Periodic Table
  6. 13. The total number of electrons an atom either gains or loses when it forms ionic bonds.
  7. 16. The elements located to the right of the staircase on the Periodic Table. They are brittle and not good conductors.
  8. 17. When a metal atom donates one or more electrons to a non-metal atom.
  9. 18. The central part of an atom that contains protons and neutrons.
  10. 19. The weighted average of the masses of the isotopes of an element.
  11. 22. Elements located along the staircase on the Periodic Table. They are semiconductors but break when hammered.
  12. 23. When two nonmetal atoms share electrons.
Down
  1. 1. The number in front of an entire compound/element - tells us how many of that element or compound there is.
  2. 2. The results of a chemical reaction.
  3. 4. The seven ROWS that go across the Periodic Table
  4. 5. The atoms or molecules that take part in a chemical reaction.
  5. 8. Two or more different elements bonded together.
  6. 10. A subatomic particle with no charge. Located in the nucleus of an atom.
  7. 12. A positively charged subatomic particle. Located in the nucleus of an atom.
  8. 14. The small number behind an individual element - tells us the ratio of that element within a compound
  9. 15. A negatively charged subatomic particle.
  10. 19. Smallest Particle of an element that retains the properties of that element
  11. 20. Elements that have luster, good conductivity, and malleability. Located to the left of the staircase on the Periodic Table.
  12. 21. A positively charged ion