| 1 |
Li belongs to ________________ block. |
|
| 2 |
The base of modern periodic table is |
- A. Atomic number (Z)
- B. Mass number (A)
- C. Avogadro's Number
- D. Quantum Number
|
| 3 |
The elements of group 3 to 12 are called |
- A. Normal elements
- B. Transition elements
- C. Radioactive elements
- D. None of these
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| 4 |
Which one of the following halogen has lowest electronegative?<br> |
- A. fluorine <br>
- B. chlorine <br>
- C. bromine <br>
- D. iodine<br>
|
| 5 |
D-block consists of: |
- A. 4th,5th & 6th periods
- B. 2nd, 3rd & 4th periods
- C. 1st, 2nd, & 3rd periods
|
| 6 |
.................... of an atom is not fixed. |
- A. Size
- B. Mass
- C. Electronegativity
- D. Nuclear char
|
| 7 |
Group runs from ________________ |
- A. Top to bottom
- B. Left to right
- C. Top to right
- D. Bottom to left
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| 8 |
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>
|
| 9 |
............... periodic table consist of group & periods. |
- A. Bohr
- B. Rutherford
- C. Mendeleev's
- D. Nil
|
| 10 |
The no.of electrons in the valence shell of noble gases is |
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