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Dark Glass
Katomic, Atom
Aqua
128x128
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Sleek XP: Software
Newsfeed, Atom
LightSeaGreen
300x300
3D Cartoon Icons Iii
3D Cartoon Icons II
Black
3D Cartoon
Sleek XP Software
Puck
Badge, Newsfeed, Atom
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Signs & symbols
Flat
Circle Icons
Molecule, Atom
SandyBrown
512x512
Mixed
Things
science, magnet, physics
IndianRed
Desktop apps
Edge
school, Atom, science
MediumTurquoise
256x256
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Glyph
gcons
Atom
438x512
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Education & science
Handdrawn
Brainy Icons Free — 36 Science and Education Icons
science, Atom, nuclear
64x64
Business & finance
48x48 Free Time Icons
Explosion, Atomic, danger
Gold
48x48
Cartoon
Puck icons pack II
3D
3D Cartoon Icons Pack
Super Vista
science, Atom, cellular
400x400
UI
Smooth
Bloggers Vol 1-7
DodgerBlue
Computer & hardware
Human o2
science, Atom
Social media
Doodle
feed, Rss, Atom
DarkSlateBlue
126x128
Photography & graphic design
Crystal Clear
Ball, balls, joint