An original Roentgenium (Rg) Atomic Number 111 Periodic Table of Elements Design.
Roentgenium is a chemical element with symbol Rg and atomic number 111. It is an extremely radioactive synthetic element (an element that can be created in a laboratory but is not found in nature); the most stable known isotope roentgenium-282 has a half-life of 2.1 minutes. Roentgenium was first created in 1994 by the GSI Helmholtz Centre for Heavy Ion Research near Darmstadt Germany.
Fitted, comfortable, and soft—this t-shirt was made just for you. And it can withstand several washings while maintaining its shape, so it’s great for everyday wear!
• 100% fine jersey cotton
• Heather grey is 90% cotton, 10% polyester
• Fabric weight: 4.3 oz/y² (146 g/m²)
• Shoulder-to-shoulder taping
• Made in the USA
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