49 element
atom
atomic
atomic mass
background
chemical
chemical symbol
chemistry
configuration
diagram
education
educational
element
elements
formula
fundamental
futuristic
indium
indium symbol
information
inorganic chemistry
laboratory
material
mendeleev
molecular
molecule
name
period
periodic
periodic table
physics
poster
power
proton
quantum
representation
research
school
science
scientific
scientist
solid
square
structure
substance
symbol
system
technology
weight
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