| 1 |
Which one of the following halogen has lowest electronegative?<br> |
- A. fluorine <br>
- B. chlorine <br>
- C. bromine <br>
- D. iodine<br>
|
| 2 |
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>
|
| 3 |
The amount of energy given out when an electron is added to any atom is called:<br> |
- A. lattice energy <br>
- B. ionization energy<br>
- C. electronegative<br>
- D. electron affinity<br>
|
| 4 |
Which element has highest electronegativity? |
|
| 5 |
Group runs from ________________ |
- A. Top to bottom
- B. Left to right
- C. Top to right
- D. Bottom to left
|
| 6 |
The atomic number of potassium is:<br> |
|
| 7 |
Li belongs to ________________ block. |
|
| 8 |
4th & 5th consist of ________________ elements. |
- A. 8
- B. 18
- C. 32
- D. infinite
|
| 9 |
The base of modern periodic table is |
- A. Atomic number (Z)
- B. Mass number (A)
- C. Avogadro's Number
- D. Quantum Number
|
| 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>
|
