Chemistry

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Across
  1. 5. Same atomic number but different mass number
  2. 8. Force between layers due to which viscosity changes
  3. 10. World's lightest solid
  4. 11. Process of applying a protective coat to prevent rust
  5. 12. The only liquid whose solid state is less denser than the liquid itself
  6. 13. An atom (isotope) has 4 electrons, 6 neutrons and 4 protons. Its net charge will be ____
Down
  1. 1. Elements with the highest stability (have their outer shell completely filled with electrons) are called ______ gases
  2. 2. On increasing the temperature, the density ________
  3. 3. Intermolecular forces acting between water molecules
  4. 4. Particles of light
  5. 5. Branch of chemistry that deals with substances that are chemical combinations other than carbon
  6. 6. Hydrogen with mass number 3
  7. 7. Color having the highest wavelength
  8. 9. Ratio of a substance's mass to its volume