Chemistry

1234567891011121314
Across
  1. 5. - A gas necessary for human respiration.
  2. 7. - Pure substances made of only one type of atom.
  3. 10. table - A chart that organizes chemical elements by atomic number.
  4. 11. - A substance with a pH below 7.
  5. 13. - A process in which substances change to form new substances.
  6. 14. A molecule that carries genetic information.
Down
  1. 1. - A glass container used in science experiments.
  2. 2. - The smallest units of an element that retain its properties.
  3. 3. - A metallic element with the symbol Fe.
  4. 4. - A measurement of how hot or cold something is.
  5. 6. - A chemical element with the symbol Ne.
  6. 8. - A precious metal with the chemical symbol Au.
  7. 9. - The movement of particles from an area of high concentration to low concentration.
  8. 12. - A laboratory container used for mixing or heating liquids.