Chemistry Vocab Terms

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Across
  1. 1. Substance made of two or more different elements chemically connected
  2. 3. Negativity charged particle that orbits the nucleus
  3. 6. The smallest unit of an element
  4. 7. Type of element that is shiny and good conductor of electricity
  5. 11. Neutral particle found in the nucleus of an atom
  6. 12. Solid substance with atoms arranged in a repeating pattern
  7. 13. Element that is brittle and lacks good conductor of electricity
  8. 16. Tendency of an atom to attract electrons in a bond
  9. 18. Formula The simplest whole number ratio of elements in a compound
  10. 19. Atom/Molecule with a net electric charge from loss or gain of electrons
  11. 20. Substance with a pH greater than 7 that accepts protons
Down
  1. 2. Two or more atoms chemically bonded together
  2. 4. A pure substance made of only one type of an atom
  3. 5. Number of electrons in the outermost shell of an atom
  4. 8. Force that holds atoms together in a molecule
  5. 9. Mass Weighted average of an elements isotopes
  6. 10. Positively charged particle in the nucleus of an atom
  7. 14. Element that has both properties of metals and non-metals
  8. 15. Earth Metal Group of elements in the second column of the periodic table
  9. 17. Atoms of the same element with different numbers of neutrons