| 1 |
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>
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| 2 |
Following are elements of 2nd period.Which atom is bigger in size? |
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| 3 |
Mendeleev periodic table was based upon the:<br> |
- A. electronic configuration<br>
- B. atomic mass<br>
- C. atomic number<br>
- D. completion of a subshell <br>
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| 4 |
The no. of periods in modern periodic table are |
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| 5 |
In period, ionization energy of elements |
- A. Increases
- B. Decreases
- C. Remains constant
- D. None of these
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| 6 |
Li belongs to ________________ block. |
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| 7 |
4<sup>th</sup> and 5<sup>th</sup> period of the long form of periodic table are called<br> |
- A. short periods<br>
- B. Normal periods<br>
- C. Long periods<br>
- D. Very long periods<br>
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| 8 |
The number of periods is: |
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| 9 |
Modern periodic table can be classified into ________________. |
- A. Elements
- B. s, p, d, f blocks
- C. Periods
- D. ROWS
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| 10 |
The atomic radil of the elements in periodic table:<br> |
- A. increase form left to right in period<br>
- B. increase form top to bottom<br>
- C. do not change form left to right in period<br>
- D. decrease form top to bottom in a group<br>
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