Lewis Structures Generator | Chemistry Figures

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Structure H₂O

Formula or name

Built around O as the central atom.

Or pick from the list

Look Flat

Shape

Atoms and lone pairs on the four sides of each symbol, as most textbooks draw them.

Bonds

Each shared pair as a line between the atoms.

Formal chargesLabel each atom whose formal charge isn’t 0.

Question Full structure

Give students

The whole structure, bonds and lone electrons.

Changes Correct structure

Make a wrong structure for a “find the mistake” question. Click an atom or bond in the figure, or change one below.

Central atom

Atoms

H 1 0 lone electrons

H 2 0 lone electrons

O 4 lone electrons

Bonds

O–H 1

O–H 2

Title and answer key No title, no answer key

Chart title

Answer key Choose a question or change the structure to add an answer key.