Unit 6 Review

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Across
  1. 1. Same element but different number of neutrons
  2. 4. chemical name of the element "Cl"
  3. 7. Neutrons and protons both are found in the __________.
  4. 8. occupies space and has mass.
  5. 9. ions that gained electron
  6. 12. number of proton an element have.
  7. 15. ions that lost electron
  8. 16. column in the periodic table is called __________
  9. 17. Bond between Ions
Down
  1. 2. are made up of one type of atom.
  2. 3. number of proton and neutron
  3. 5. Electrons exist at energy levels surrounding the nucleus.
  4. 6. Row in the periodic table is called __________
  5. 10. Sharing of electrons between 2 elements
  6. 11. The chemical term for two atoms joining together is called ____________
  7. 13. chemical symbol for Sodium
  8. 14. the smallest unit of matter.
  9. 15. when different atoms are tightly joined together.