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🧪 Unleash the Power of Elements!
The DHDM Ask Periodic Table Poster is a high-quality, 12-inch by 18-inch educational tool printed on durable 100lb gloss finish paper. Made in the USA by a veteran-owned company, this poster not only enhances your learning environment but also supports a meaningful cause.
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Arsenic's atomic number is incorrect
I bought this for my Chemistry classroom and then realized after hanging it that Arsenic's atomic number is printed on the poster as 32. Arsenic's atomic number is 33!!!!
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