Chemistry

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Across
  1. 1. Electrons have a __________ charge.
  2. 4. This element has the symbol Na
  3. 6. This element has the symbol K
  4. 11. When an atom gains or loses charge it becomes an...
  5. 13. The negative particles that flies around in shells in the atom.
  6. 15. Neutrons have a ___________ charge.
  7. 16. This element has the symbol Au
Down
  1. 2. This element has the symbol Fe
  2. 3. Where the neutrons and protons are stored in a atom.
  3. 5. A tiny individual piece of matter.
  4. 6. The positive particle in the nucleus of an atom.
  5. 7. Where the electrons are stored around the atom.
  6. 8. Atoms with different numbers of neutrons are called...
  7. 9. Protons have a __________ charge.
  8. 10. The first element in the periodic table.
  9. 12. This element has 2 electrons and 2 protons.
  10. 14. The neutrally charged particle in the nucleus of an tom