| 1 |
The periodic table consist of ________________ columns. |
- A. Periods
- B. Rows
- C. Column
- D. Nil
|
| 2 |
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>
|
| 3 |
The other name of modern periodic table is ________________ of periodic table. |
- A. Long form
- B. Simplified
- C. Simplest
- D. Nil
|
| 4 |
Which element has highest electronegativity? |
|
| 5 |
The no. of periods in modern periodic table are |
|
| 6 |
The modern periodic table is based on: |
- A. Atomic number
- B. Mass number
- C. Relative mass
- D. Nil
|
| 7 |
Following are elements of 2nd period.Which atom is bigger in size? |
|
| 8 |
N consist of ________________ sub shells. |
|
| 9 |
Which one of the following halogen has lowest electronegative?<br> |
- A. fluorine <br>
- B. chlorine <br>
- C. bromine <br>
- D. iodine<br>
|
| 10 |
The number of periods is: |
|
