Eat This, Not That: Chemistry

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Across
  1. 1. The smallest component of an element.
  2. 3. Any two or more forms of a chemical element having the same atomic number but have different atomic weight.
  3. 5. A way of writing numbers too big or too small to be conveniently written in decimal form.
Down
  1. 1. The chemical elements found in group 1 of the periodic table.
  2. 2. A model to show how electrons orbit the nucleus of an atom.
  3. 4. The process of providing or obtaining the food necessary for health and growth.
  4. 6. A substance containing two or more elements.
  5. 7. An unhealthy substance, also known as trans fatty acid, made through the chemical process of hydrogenation of oils.
  6. 8. A quantity of food capable of producing such an am.
  7. 9. The 7 elements that make up group 18 of the periodic table.