Element Categories
Alkali Metals
Alkaline Earth Metals
Transition Metals
Post-Transition Metals
Metalloids
Nonmetals
Halogens
Noble Gases
Lanthanides
Actinides
Element Properties
☢️Radioactive
☠️Toxic
🔥Flammable
🧪Corrosive
💧Reacts with Water
😮💨Asphyxiant
💥Pyrophoric
⚗️Oxidizer
⚠️Special Hazards