Boron. Element 5 of the periodic table of chemical elements.
Schlüsselwörter
boron,
mineral,
medication,
irritation,
borax,
air,
toxicity,
pollutant,
crop,
exfoliating,
element,
periodic table,
molecular,
atom,
symbol,
oxidation,
chemistry,
industry,
matter,
process,
physics,
property,
discovery,
poster,
metal,
laser,
relief,
laboratory,
experimentation
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