Unit 2 atomic structure 2023-2024

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Across
  1. 5. Two or more different types of atoms bonded together.
  2. 6. Anything that has mass and takes up space.
  3. 7. Pieces of matter, any kind of matter, parts of matter.
  4. 11. Parts of an atom, the things that atoms of made of.
  5. 12. A repetitive organized arrangement of atoms or molecules bonded together.
Down
  1. 1. Changes in our understanding of atoms over time.
  2. 2. The center of an atom.
  3. 3. A tiny piece of matter that can’t be seen with the eye.
  4. 4. A subatomic particle in the nucleus (positive charge).
  5. 8. A particle that circles the nucleus (negative charge).
  6. 9. More than one atom bonded together (can be same).
  7. 10. A subatomic particle in the nucleus (neutral charge).