chemistry

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Across
  1. 3. Electrically charged atom formed by the loss or gain of one or more electrons
  2. 6. Any of the four substances (earth, water, air, and fire)
  3. 7. Negative ion
  4. 8. It’s in the middle of the atom
  5. 9. Heavy and neutral particle
  6. 10. Grey mass in the sky, made up of very small floating drops of water
Down
  1. 1. Positive ion
  2. 2. An arithmetical value like 4
  3. 4. Tiny and negatively charged particle
  4. 5. Heavy and positively charged particle
  5. 8. Not supporting or helping either side in a conflict