Molecule Central Atom black filled icon
Outline molecule with a large central atom joined by bonds to four smaller atoms
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About the Molecule Central Atom black filled icon
One big circle sits at the center with four straight bond lines radiating out to smaller circles placed at the upper left, upper right, lower right and lower left, forming a compact ball-and-stick model. It stands for chemistry, molecular structure and connected systems, working on science course pages, lab and pharma websites, research report slides, biotech product features and network or data-relationship diagrams.
The unequal circle sizes make the hierarchy obvious, and the bonds meet the outer atoms at clean angles so the structure stays balanced without looking like a symmetrical snowflake. It pairs with atom, DNA, flask and microscope icons in the science set. At 20 px, thicken bonds slightly to stop them disappearing.
This is the solid black filled version of the molecule central atom icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
It downloads free as an SVG vector or transparent PNG in seven sizes, and the free online editor lets you recolor it, apply gold, silver, neon and gradient styles, add animation, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
