Fluorine
Carbon. Life on Earth is based on the complex chemistry of Carbon.
The densest element found on Earth is osmium.
Yes, gold is a natural element found on Earth.
Iron
Carbon is not a family name; it is a chemical element that is found in group 14 of the periodic table. It is not part of the rare earth elements series, which are a group of 17 elements in the lanthanide series and actinide series of the periodic table.
The chemistry of polonium is not known in details but I suppose that this element is oxygen.
Carbon. That is why organic chemistry is often called carbon chemistry.
fire
The family that samarium belongs to is known as the Lathanide family. This family consists of 15 metals also known as the rare earth metals.
oxygen....
Cerium is an element that is found in the Earth's crust. Cerium is in the Lanthanide family which is made up of rare earth metals.
Carbon is the most abundant element on earth.