Chemistry
// Tools Suite
🔬 Periodic Table
⚡ Electron Config
🔗 Lewis Structures
⚛️ Build an Atom
📈 Periodic Trends
🌊 EM Waves & Photons
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Color by
Category
Phase (RT)
Electronegativity
click elements to select & compare
Clear
← Click any element
to view its details
All Blocks
s-block
p-block
d-block
f-block
← Click any element to view
its electron configuration
Lewis Dot Structures
Auto
Builder
Generate
H₂O
CO₂
CH₄
NH₃
O₃
HCl
HCN
SO₂
BF₃
PCl₅
SF₆
CCl₄
N₂
O₂
HF
PH₃
3D Molecular Shape (VSEPR)
How It Was Built
Click an element above to add it · Drag atoms to move · Click atom → click atom to bond · Click bond to cycle (single→double→triple→remove)
Validation
Add atoms to begin
Clear All
Undo
VSEPR Analysis
Build a molecule to see geometry
Atom Builder
Protons (p⁺)
−
6
+
Neutrons (n⁰)
−
6
+
Electrons (e⁻)
−
6
+
Reset
Properties
Element
Carbon
Net Charge
0 (Neutral)
Mass Number
12
Effective Nuclear Charge (Z_eff)
Simplified (Z − Core e⁻)
4.00
Slater's Rules (Z − S)
3.25
Calculated for the outermost electron.
Select Trend
Atomic Radius
Ionization Energy
Electronegativity
Explanation
Select a trend to see the explanation.
Gamma Rays
X-Rays
UV
Visible
IR
Microwaves
Radio Waves
Wave Properties
Wavelength (λ)
500 nm
Log scale (Gamma → Radio)
Amplitude
50%
Energy & Frequency
Frequency (ν = c/λ)
0 THz
Energy (E = hν)
0 eV
Color/Region
Visible
Planck's constant (h) = 6.626 × 10⁻³⁴ J·s
Speed of light (c) = 3.00 × 10⁸ m/s