An original Actinium (Ac) Atomic Number 89 Periodic Table of Elements Design.
Actinium is a radioactive chemical element with symbol Ac (not to be confused with the abbreviation for an acetyl group) and atomic number 89 which was discovered in 1899. It was the first non-primordial radioactive element to be isolated. Polonium radium and radon were observed before actinium but they were not isolated until 1902.
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
Search Terms: actinium element elements periodic table science chemistry physics biology chem bio physical science scientist chemist laboratory nerdy nerd study formula periodic atom molecule the periodic table of the elements chemistry humor chemical engineer chemistry teacher funny chemistry electrons earth organic covalent ionic gas halogens noble gases chemical element electric funny chemist periodic table radioactive iupac