| 1 |
The 2nd and third periods are called |
- A. short period
- B. Normal period
- C. Long period
- D. Very long period
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| 2 |
............... periodic table consist of group & periods. |
- A. Bohr
- B. Rutherford
- C. Mendeleev's
- D. Nil
|
| 3 |
Mark the incorrect statement about ionization energy:<br> |
- A. it is measured in Kjmol<sup>-1</sup><br>
- B. it is absorption of energy<br>
- C. it decreases in period<br>
- D. it decreases in a group<br>
|
| 4 |
D-block consists of: |
- A. 4th,5th & 6th periods
- B. 2nd, 3rd & 4th periods
- C. 1st, 2nd, & 3rd periods
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| 5 |
Which one of the following halogen has lowest electronegative?<br> |
- A. fluorine <br>
- B. chlorine <br>
- C. bromine <br>
- D. iodine<br>
|
| 6 |
.................... of an atom is not fixed. |
- A. Size
- B. Mass
- C. Electronegativity
- D. Nuclear char
|
| 7 |
The right most position in the periodic table is occupied by:<br> |
- A. Alkall metals <br>
- B. Alkaline earth metals <br>
- C. Translation metals<br>
- D. Noble gasses<br>
|
| 8 |
Th name of chemist who arranged all the elements in the periodic tale is : |
- A. J.Newlands
- B. Columb
- C. Einstine
- D. None of these
|
| 9 |
________________ is the shortest period. |
- A. 6th
- B. 8th
- C. 2nd
- D. 1st
|
| 10 |
________________ elements were discovered in year 1800. |
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