Input interpretation
radioactive elements | period
Summary
5 | 6 | 7
Categorized list
5 | technetium 6 | astatine, polonium, promethium, radon 7 | actinium, americium, berkelium, bohrium, californium, copernicium, curium, darmstadtium, dubnium, einsteinium, fermium, flerovium, francium, hassium, lawrencium, livermorium, meitnerium, mendelevium, moscovium, neptunium, ...