Lesson 2 Vocabulary

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Across
  1. 7. Most elements have a ____ charge which means it is not positive or negative
  2. 8. A negatively charged ion in an atom.
  3. 9. Two or more atoms of the same element bonded together
  4. 11. A positively charged ion in an atom found in the nucleus
  5. 12. The center of an atom
Down
  1. 1. One of the basic substances that are made of atoms of only one kind
  2. 2. Last name of your ELA teacher
  3. 3. This compound's is also called H20.
  4. 4. Last name of your math teacher
  5. 5. A neutral ion
  6. 6. The smallest unit of matter
  7. 10. Two or more atoms of different elements bonded together