- 1(current)
Q. No.Which of the following statements are true?
Choose the correct answer from the options given below:
| A. | Unlike Ga that has a very high melting point, Cs has a very low melting point. |
| B. | On Pauling scale, the electronegativity values of N and Cl are not the same. |
| C. | \(Ar, K^+, Cl^-, Ca^{2+}\) and \(S^{2-}\) are all isoelectronic species. |
| D. | The correct order of the first ionization enthalpies of Na, Mg, Al, and Si is Si > Al > Mg > Na |
| E. | The atomic radius of Cs is greater than that of Li and Rb. |
| 1. | C and D only |
| 2. | A, C and E only |
| 3. | A, B and E only |
| 4. | C and E only |
Subtopic: Â Ionization Energy (IE) |Â Electronegativity |
 52%
Level 3: 35%-60%
NEET - 2025
Please attempt this question first.
Hints
Please attempt this question first.
Arrange the following elements in increasing order of electronegativity N, O, F, C, Si.
Choose the correct answer from the options given below:
Choose the correct answer from the options given below:
| 1. | Si < C < O < N < F | 2. | O < F < N < C < Si |
| 3. | F < O < N < C < Si | 4. | Si < C < N < O < F |
Subtopic: Â Electronegativity |
 78%
Level 2: 60%+
NEET - 2024
Hints
- 1(current)
Q. No.
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