Astatine
Astatine is a rare, black, and super cool element! It’s so rare that there’s not much of it on Earth. People use it to do really cool experiments but you have to be very careful with it because it’s also very dangerous!
Astatine is a rare, black, and super cool element! It’s so rare that there’s not much of it on Earth. People use it to do really cool experiments but you have to be very careful with it because it’s also very dangerous!