abundant
aluminum
アルミニウム
acids
alatoire
anion
atom
atomic
bases
chart
compounds
design
earth
electrolyte
electron
element
graphic
hydroxide
isotopes
mass
matter
mendeleev
metal
mineral
name
neutrons
periodic
physics
poster
protons
salts
scale
school
science
sign
solid
substance
symbol
system
table
weak
weight