3d
atom
atomic
atomic number 43
chemical
chemistry
education
electron
element
gamma
gray
grey
icon
isometric
isotopes
lab
laboratory
mass
material
mendeleev
metal
molecular
molecule
name
number
object
periodic
physics
radioactive
rays
school
science
scientific
silverygray
structure
symbol
synthetic
table
tc
technetium
technology
weight
定額
Technetium, Tc, gray 3D isometric illustration of periodic table element with name, symbol, atomic number and weight. Synthetic radioactive element with potential uses in scientific research and nuclear power.の素材 [FY310199260771]
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