Strontium - symbol Sr - chemical element of the periodic table
Schlüsselwörter
strontium,
periodic,
table,
system,
alkaline,
earth,
metal,
atom,
atomic,
chemistry,
physics,
education,
isotope,
substance,
educational,
element,
glossy,
graphic,
illustration,
massa,
matter,
name,
school,
science,
signs,
symbol,
universe,
weight,
design,
plastic,
poster,
three-dimensional,
38,
laboratory,
laboratory,
glasses
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