Matter Vocabulary 1

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Across
  1. 2. The smallest unit of an element that still has the properties of that element.
  2. 5. When a new substance formed through a chemical reaction
  3. 7. A pure substance that is made from a single type of atom.
  4. 8. More than one type of element chemically combined
  5. 9. A positively charged particle in the nucleus of an atom
  6. 10. A negatively charged particle outside of the nucleus
  7. 11. Anything that has mass and takes up space
  8. 12. Change in the physical properties of a substance, like size or shape
Down
  1. 1. The number of protons of an element
  2. 3. The center of the atom where there are protons and neutrons
  3. 4. A neutrally charged particle in the nucleus of an atom
  4. 6. Abbreviations for elements and compounds