Covalent bonding | Scarecrow Science

Drag atoms onto the screen from the element grid to build a molecule of your own making.

Hold SHIFT when dragging to drag bonded atoms as a group, hold CTRL when dragging an atom to clone it.

Note: Shapes, bond angles, bond lengths and polarities are illustrative only and not as accurate as those produced using dedicated modelling tools such as MolView.

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Electrons (0)

Click outer-shells to place electrons, click and hold to drag them.

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View mode:

Expanded octets:

Build mode:

Difficulty:

Select molecule/ion:

Electron assignment:

Atom inspector:

3D model:

Bond angle:

Geometry inspector:

View options:

δ+

δ−

Show molecular polarity:

ÃŽÂ´+

ÃŽÂ´Ã¢Ë†â€™

Show bond order:

Show resonance:

Show bond lengths:

Group drag:

View options:

Electron type:

Electron shells displayed:

Molecule validation:

Formal charge:

Scarecrow explains

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3D View Unavailable

The current structure is not valid, please adjust it until it is. If you get stuck, selecting 'View' on the 'Difficulty' toggle will automatically display the valid structure.

Warning

Switching modes will delete your structure, do you wish to continue?

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Name/Formula: Simple molecules Ions Multiple bonds No multiple bonds Resonance Expanded octet Incomplete octets