PDF chapter test TRY NOW
Give brief answers to the following question:
Complete the following crossword puzzle (below figure) by using the name of the chemical elements. Use the data given in below Table.
Across | Down |
| 2. The element used by Rutherford during his α-scattering experiment. | 1. A white lustrous metal used for making ornaments and which tends to get tarnished black in the presence of moist air. |
| 3. An element which forms rust on exposure to moist air. | 4. Both brass and bronze are alloys of the element. |
| 5. A very reactive non-metal stored under water. | 6. The metal which exists in the liquid state at room temperature. |
| 7. Zinc metal when treated with dilute hydrochloric acid produces a gas of this element which when tested with burning splinter produces a pop sound. | 8. An element with symbol Pb. |
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