periodic table of the s. extended.

actinides alkali alkaline atom atomic atomica background block calcium categories category chart chemical chemistry color colorful diagram discovery earth education element elements extended gas gold graphic groups halogens helium hydrogen icon illustration lab laboratory lanthanides large liquid magnesium matter mendeleev metal metallic metalloids metals minerals molecule molecules new noble nonmetals number numbers oxygen period periodic physics potassium properties pure school science scientific silver solid state structure superactinide symbol synthesis table teach technology ununoctium uranium vector version weight