| 1 |
________________ is the shortest period. |
- A. 6th
- B. 8th
- C. 2nd
- D. 1st
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| 2 |
D-block consists of: |
- A. 4th,5th & 6th periods
- B. 2nd, 3rd & 4th periods
- C. 1st, 2nd, & 3rd periods
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| 3 |
The elements of group 17 are called: |
- A. Carbon family
- B. Noble gases
- C. Alkaline earth metals
- D. Halogen family
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| 4 |
Modern periodic table can be classified into ________________. |
- A. Elements
- B. s, p, d, f blocks
- C. Periods
- D. ROWS
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| 5 |
Following are elements of 2nd period.Which atom is bigger in size? |
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| 6 |
Which element has highest electronegativity? |
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| 7 |
............... periodic table consist of group & periods. |
- A. Bohr
- B. Rutherford
- C. Mendeleev's
- D. Nil
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| 8 |
Long form of periodic Table is constructed the basis of:<br> |
- A. Mendeleev postulate<br>
- B. atomic number <br>
- C. atomic mass <br>
- D. mass number<br>
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| 9 |
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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| 10 |
The no. of electrons in the valence shell of alkali metals is |
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