#2

12345678910
Across
  1. 3. Chemist who isolated radium (5)
  2. 6. Table of elements (7)
  3. 8. Symbol for silver (2)
  4. 10. Hardest natural substance (7)
Down
  1. 1. The universal solvent (5)
  2. 2. Chemist who studied gases (5)
  3. 4. Type of bond in sodium chloride (5)
  4. 5. Acid in citrus fruits (5)
  5. 7. Colorless, odorless gas vital for life (6)
  6. 9. State of matter with no fixed shape (3)