3d
actinides
alkali
atom
atomic
atomic number
background
chart
chemical
chemical element
chemistry
color
earth metal
education
element
element symbols
elements
gas
graphic
group
halogen
hydrogen
illustration
information
inorganic
laboratory
lanthanide
malleable
material
mendeleev
metal
metalloid
noble
noble gas
nonmetal
number
oxygen
period
periodic
periodic table
physics
school
science
scientific
substance
symbol
table
technology
transition
定額
Background of 3d chemistry cubes of the elements of the periodic table, carbon, hydrogen, oxygen and nitrogen, background for education, science, technology and engineeringの素材 [FY310190319377]
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