Select Chapter Topics:
Q. No.Subtopic: Nature of Compound |
84%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Subtopic: Modern Periodic Table & Periodicity |
62%
Level 2: 60%+
Hints
Which of the following is a metalloid?
1. ln (Indium)
2. Te (Tellurium)
3. Pb (Lead)
4. Bi (Bismuth)
1. ln (Indium)
2. Te (Tellurium)
3. Pb (Lead)
4. Bi (Bismuth)
Subtopic: Modern Periodic Table & Periodicity |
69%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
The correct electronic configuration of an element that is just above the 4th period and belongs to the 16th group is:
1. 4s23d104p4
2. 2s22p4
3. 3s23p4
4. 5s25d104p4
1. 4s23d104p4
2. 2s22p4
3. 3s23p4
4. 5s25d104p4
Subtopic: Electronic Configuration |
64%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
The number of oxides among the following that exhibit an amphoteric nature is:
(a) \(Na_2O\)
(b) \(As_2O_3\)
(c) \(NO\)
(d) \(N_2O\)
(e) \(Cl_2O_7\)
1. 0
2. 1
3. 2
4. 3
(a) \(Na_2O\)
(b) \(As_2O_3\)
(c) \(NO\)
(d) \(N_2O\)
(e) \(Cl_2O_7\)
1. 0
2. 1
3. 2
4. 3
Subtopic: Nature of Compound |
71%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Mark the correct increasing order of the metallic character of the given below elements:
Si, K, Mg, and Be
Si, K, Mg, and Be
| 1. | Si < Mg < Be < K | 2. | Be < Mg < Si < K |
| 3. | Si < Be < Mg < K | 4. | K < Mg < Si < Be |
Subtopic: Modern Periodic Table & Periodicity |
70%
Level 2: 60%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Match the atomic numbers in List I with the corresponding groups in List II:
| List-I (Atomic number) | List-II (Group) | ||
| i. | 52 | P. | s |
| ii. | 37 | Q. | p |
| iii. | 65 | R. | f |
| iv. | 74 | S. | d |
1. (i)-Q, (ii)-P, (iii)-R, (iv)-S
2. (i)-Q, (ii)-P, (iii)-S, (iv)-R
3. (i)-S, (ii)-R, (iii)-P, (iv)-Q
4. (i)-R, (ii)-P, (iii)-Q, (iv)-S
Subtopic: Electronic Configuration |
70%
Level 2: 60%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Select the correct order of magnitudes of the first electron gain enthalpy from the options provided:
1. Cl < F
2. O < S
3. Te < O
4. S < Se
1. Cl < F
2. O < S
3. Te < O
4. S < Se
Subtopic: Electron Affinity (EA) |
73%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
Choose the option containing all isoelectronic species:
1. \(N^{3-}, O^{2-}, F, Na \)
2. \(\mathrm{S}^{-2}, \mathrm{Cl}^{-}, \mathrm{K}^{+}, \mathrm{Ca}^{2+} \)
3. \(\mathrm{NH}_3, \mathrm{CH}_4, \mathrm{PF}_5, \mathrm{Na}^{+} \)
4. \(\mathrm{Ne}, \mathrm{Na}^{+}, \mathrm{F}, \mathrm{N}^{3-} \)
1. \(N^{3-}, O^{2-}, F, Na \)
2. \(\mathrm{S}^{-2}, \mathrm{Cl}^{-}, \mathrm{K}^{+}, \mathrm{Ca}^{2+} \)
3. \(\mathrm{NH}_3, \mathrm{CH}_4, \mathrm{PF}_5, \mathrm{Na}^{+} \)
4. \(\mathrm{Ne}, \mathrm{Na}^{+}, \mathrm{F}, \mathrm{N}^{3-} \)
Subtopic: Modern Periodic Table & Periodicity |
90%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
According to the periodic law of elements, the variation in properties of elements is related to their:
1. Atomic masses
2. Nuclear mass
3. Atomic numbers
4. Nuclear neutron-proton number ratio
Subtopic: Modern Periodic Table & Periodicity |
85%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
Select Chapter Topics:
© 2026 GoodEd Technologies Pvt. Ltd.