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Chapter 3 – Periodic table and Periodicity of Properties Multiple Questions and Answers.
| 1. | Elements were discovered in year 1800. | ||
| A. | 34 | ||
| B. | 35 | ||
| C. | 36 | ||
| D. | 37 | ||
| 2. | The right most position in the periodic table is occupied by: | ||
| A. | Alkall metals | ||
| B. | Alkaline earth metals | ||
| C. | Translation metals | ||
| D. | Noble gasses | ||
| 3. | The repetition of a property after a certain interval is: | ||
| A. | Periodicity | ||
| B. | Properties | ||
| C. | Periodicity of properties | ||
| D. | None | ||
| 4. | The number of periods is: | ||
| A. | 6 | ||
| B. | 7 | ||
| C. | 8 | ||
| D. | 9 | ||
| 5. | Modern periodic table can be classified into ? | ||
| A. | Elements | ||
| B. | s, p, d, f blocks | ||
| C. | Periods | ||
| D. | ROWS | ||
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