Intro to matter Vocab

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Across
  1. 5. A chart that organizes all known elements by their properties.
  2. 7. Characteristics of a substance that help to identify or describe it.
  3. 8. Row of elements across the periodic table
  4. 10. Anything that has mass and takes up space.
Down
  1. 1. Two or more atoms bonded together.
  2. 2. A pure substance made of only one kind of atom.
  3. 3. A column of elements in the periodic table
  4. 4. Negatively charged particles
  5. 6. The smallest unit of an element that still has the properties of that element.
  6. 7. Positive charged particles
  7. 9. Particles that have no charge