Periodensystem Kugel - Kupfer
Keywords
periodic table,
sphere,
chemistry,
element,
copper,
atomic,
isotope,
shell,
group,
tight,
metallic,
natural science,
white,
gold,
shadow,
icon,
buttons,
three-dimensional,
symbol,
substance,
cu,
studying,
research,
electron,
proton,
neutron