Across
- 5. P-31 and P-32 are examples of _____.
- 8. The red color of blood is due to this metal in haemoglobin
- 10. Rutherford was able to obtain a then gold foil for his experiment because of this property of metals.
- 12. The net charge of an atom is ____.
- 13. The "Billiard Ball" model of the atom was given by this scientist.
- 14. The gas filled in chips packets to prevent spoilage of food
- 16. An octa-atomic yello solid.
Down
- 1. THe number of atoms in a molecule of an element.
- 2. Direct conversion of gas to solid.
- 3. Number of nucleons is called _____
- 4. Helium, Neon and Argon are all examples of ___
- 6. Particles are tightly packed in this state.
- 7. Example of an iron alloy.
- 9. Homogeneous mixture of acetic acid and water.
- 11. THe number of these particles determines the identity of an element.
- 15. Metal that is solid at room temperature, but melts in our palms.