Synthetic element

chemical element that does not occur naturally on Earth, and can only be created artificially

technetium rutherfordium dubnium seaborgium bohrium hassium meitnerium darmstadtium roentgenium copernicium flerovium livermorium promethium curium berkelium californium einsteinium fermium mendelevium nobelium lawrencium astatine

Showing 0 to 22 of 22 Items