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Schlüsselwörter
atom,
atomic,
structure,
model,
nucleus,
electron,
orbit,
colourful,
science,
physics,
chemistry,
education,
diagram,
illustration,
vector,
graphic,
design,
icon,
symbol,
particle,
proton,
neutron,
electron,
orbital,
shell,
energy,
level,
matter,
element,
isotope,
molecular,
particle,
quantum,
theory,
study,
learn,
instructing,
school,
university
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