Boson
Of all things it was arsenic which is actually a pretty lethal poison.
The elements that are newly discovered or are radioactive and found in traces are usually named according to a system of nomenclature based on their atomic nos.Eg. element 243 (if discovered, some day) will be named as biquadtrium (Bqt) which is NOT the proper symbol/name for the element.
it needs to be accepted
The element is found in your teeth is Calcium.
higgs boson
The element silver was found in the 700 bc.
The densest element found on Earth is osmium.
The main element in coal is carbon.
This element is calcium.
Element.
Element
Pulsar planet.