| 1 |
The base of modern periodic table is |
- A. Atomic number (Z)
- B. Mass number (A)
- C. Avogadro's Number
- D. Quantum Number
|
| 2 |
The no. of periods in modern periodic table are |
|
| 3 |
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
|
| 4 |
The atomic number of potassium is:<br> |
|
| 5 |
Which of following does not belong to p-block? |
- A. IIIA
- B. IVA
- C. VA
- D. VIB
|
| 6 |
The number of periods is: |
|
| 7 |
N consist of ________________ sub shells. |
|
| 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 |
The repetition of a property after a certain interval is: |
- A. Periodicity
- B. Properties
- C. Periodicity of properties
- D. None
|
| 10 |
Along the period which one of the following decrease:<br> |
- A. Atomic radius <br>
- B. ionization energy <br>
- C. electron affinity<br>
- D. electronegative<br>
|
