NCERT Data Visualizations

Interactive Periodic Table

Configurations, exceptions, key reactions, and JEE/NEET trends — every element, every fact NCERT tests.

Learn the blocks
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
57-71
89-103
1
H
2
He
3
Li
4
Be
5
B
6
C
7
N
8
O
9
F
10
Ne
11
Na
12
Mg
13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
19
K
20
Ca
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
37
Rb
38
Sr
55
Cs
56
Ba
39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
71
Lu
89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
103
Lr
87
Fr
88
Ra
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og
Yellow dot marks elements with exceptional behavior — click for details
Alkali Metal
Alkaline Earth Metal
Transition Metal
Post-Transition Metal
Metalloid
Reactive Nonmetal
Noble Gas
Lanthanide
Actinide
Quick Reference

Cross-element data at a glance

Group-wise oxide nature, JEE/NEET extremes, and the deep-dive trends explorer — everything that needs comparison across elements.

🧪Nature of Oxides & Hydroxides

Reference guide for Acidic, Basic, and Amphoteric compounds

Acidic Oxides & Hydroxides

React with bases to form salts and water. Turn blue litmus red.

Group 13
B₂O₃

Boron trioxide

Group 14
CO₂SiO₂GeO₂

Higher oxidation state oxides of non-metals

Group 15
N₂O₃NO₂N₂O₄N₂O₅P₄O₆P₄O₁₀

Nitrogen & Phosphorus oxides

Group 16
SO₂SO₃SeO₂SeO₃TeO₃

Sulfur, Selenium, Tellurium oxides

Group 17
Cl₂O₇

Dichlorine heptoxide

Transition Metals (Highest Oxidation)
Mn₂O₇CrO₃

Manganese(VII) oxide, Chromium(VI) oxide

Basic Oxides & Hydroxides

React with acids to form salts and water. Turn red litmus blue.

s-Block Metals
Na₂OK₂OMgOCaOSrOBaO

Alkali & Alkaline Earth metal oxides

Group 13 (Heavy Metals)
In₂O₃Tl₂O₃

Indium & Thallium oxides

Group 15 (Heavy Metals)
Bi₂O₃

Bismuth(III) oxide

Transition Metals (Lowest Oxidation)
CrOV₂O₃

Chromium(II) oxide, Vanadium(III) oxide

Lanthanoids
M₂O₃M(OH)₃

Lanthanoid oxides and hydroxides

Amphoteric Oxides & Hydroxides

React with both acids and bases. Show dual behavior.

Group 13
Al₂O₃Ga₂O₃

Aluminium & Gallium oxides

Group 14
SnOSnO₂PbOPbO₂

Tin & Lead oxides

Group 15
As₂O₃As₂O₅Sb₂O₃Sb₂O₅

Arsenic & Antimony oxides

Transition Metals (Intermediate Oxidation)
Cr₂O₃

Chromium(III) oxide

Special Cases
V₂O₅BeOZnO

V₂O₅ predominantly acidic, BeO & ZnO from diagonal relationship

⚡Element Records

Quick-reference extremes — facts that get asked directly in JEE & NEET

Physical Extremes

Li
Lightest metal
0.534 g/cm³ · floats on oil
Os
Densest element
22.59 g/cm³
W
Highest melting point
3422 °C · bulb filaments
Hg
Only liquid metal
mp −38.8 °C
Br
Only liquid non-metal
bp 58.8 °C
C
Hardest natural substance
Mohs 10 · diamond
Au
Most ductile metal
1g → ~3 km wire
Ag
Best electrical conductor
beats Cu at 25 °C

Reactivity Extremes

Cs
Most reactive metal
explodes in water
Au
Most noble metal
aqua regia only
F
Strongest oxidizer
oxidizes water & glass
Li
Strongest reducer (aq)
highest hydration energy

Atomic Properties

F
Most electronegative
EN = 4.0
Cs
Most electropositive
EN = 0.79
He
Highest IE₁
2372 kJ/mol
Cs
Lowest IE₁
376 kJ/mol
Cl
Highest electron affinity
−349 kJ/mol · NOT F
Cs
Largest atomic radius
~265 pm
F
Smallest atomic radius
~64 pm
Learn

Watch the chapter, build the basics

Short summaries and full lecture series — start here if you want a guided walkthrough before diving into the table.

Learn periodic properties from basics

Practice

Test what you actually remember

Three ways to check yourself — drag elements onto the grid, take an MCQ checkpoint, or solve real JEE/NEET past papers.

Memory Practice

Test Your Periodic Table Memory

Can you place each element in its correct position? Challenge yourself!

🧠 Click on the grid where each element belongs

Choose practice mode:

Knowledge Check

30 questions • Complete Periodicity chapter

30
Pd
Periodicity
Class 11

Think You Know Periodicity?

30 challenging questions from the lines of NCERT to master the Periodicity chapter — from atomic radius to oxidation states.

🎯 This isn't just practice — it's your final checkpoint before the exam!

JEE Main & Advanced PYQs

Real exam questions on Periodicity — solved and explained on Crucible