abstract
actinide
alkali
alkaline
arrangement
atom
atomic
background
block
character
chart
chemical
chemistry
column
cunning
earth
education
element
gas
german
group
halogen
icon
isolated
lanthanide
matal
mendeleev
metal
metalloid
name
noble
nonmetal
number
organization
period
periodic
physics
pse
research
row
science
sign
spreadsheet
symbol
table
tabular
transition
white
定額
Periodic Table of the Elements GERMAN labeling. Tabular Arrangement of chemical elements with atomic numbers Their organized in groups and families. Isolated on white background.の素材 [FY31039574942]
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