Aryaveer

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Across
  1. 2. Same atomic number but different atomic mass.
  2. 3. Process by which a gas turns into a liquid.
  3. 4. Process by which a liquid changes into a gas.
  4. 6. Number of particles in a nucleus; sum of protons and neutrons.
  5. 9. The state of matter with neither definite shape nor volume.
  6. 11. Smallest unit of an element that retains the properties of that element.
  7. 13. Subatomic particle with a negative charge.
  8. 15. The state of matter with a definite shape and volume.
  9. 16. The state of matter with a definite volume but no definite shape.
  10. 17. The theory that describes the way particles move in matter.
  11. 19. Positively charged particle in an atom's nucleus.
  12. 20. Change from a liquid to a solid.
Down
  1. 1. A solid that forms and settles out of a liquid mixture.
  2. 5. The state of matter that is similar to gas but has charged particles.
  3. 7. Smallest particle of a compound that retains its chemical properties.
  4. 8. The phase change from gas directly to solid.
  5. 10. A type of matter made of only one type of atom.
  6. 12. Change from a solid to a liquid.
  7. 14. An atom's central region, made up of protons and neutrons.
  8. 18. A substance composed of two or more elements chemically combined.