41 chemistry element. Niobium element periodic table. Chemistry concept. Vector illustration perfect for cards, posters, stickers.
Schlüsselwörter
periodic,
signs,
table,
element,
atom,
icon,
chemistry,
atomic,
symbol,
three-dimensional,
buttons,
science,
einstein,
formula,
laboratory,
board,
isolated,
technology,
education,
metal,
white,
periodic table,
school,
calendar
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