| 1 |
In period, ionization energy of elements |
- A. Increases
- B. Decreases
- C. Remains constant
- D. None of these
|
| 2 |
The elements of group 17 are called: |
- A. Carbon family
- B. Noble gases
- C. Alkaline earth metals
- D. Halogen family
|
| 3 |
________________ is the shortest period. |
- A. 6th
- B. 8th
- C. 2nd
- D. 1st
|
| 4 |
The other name of modern periodic table is ________________ of periodic table. |
- A. Long form
- B. Simplified
- C. Simplest
- D. Nil
|
| 5 |
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>
|
| 6 |
Which element has highest electronegativity? |
|
| 7 |
The no.of elements in the first period is |
|
| 8 |
The elements of group 3 to 12 are called |
- A. Normal elements
- B. Transition elements
- C. Radioactive elements
- D. None of these
|
| 9 |
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>
|
| 10 |
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>
|
