This element is ununoctium - atomic number 118; uuo is an artificial element.
I suppose that you think to Atomic Mass and not to density.
Thallium is a naturally occurring element in the Earth's crust. It is not a man-made element.
No, Uranium is naturally occurring. But all elements beyond uranium are man-made.
Californium is a man-made element that does not occur naturally. It was first synthesized in a laboratory in 1950 by bombarding curium with alpha particles. It is a radioactive element with various applications in nuclear reactors and neutron sources.
The man made element named after Albert Einstein is Einsteinium. It was discovered in 1952 and is symbolized on the periodic table as Es.
It is natural. It appears in soil, the ground, and in rocks and crystals such as petalite ore.
Mendelevium is a man made chemical element.
No, joliotium is not a man-made element. It is not a recognized element in the periodic table.
Thallium is a naturally occurring element in the Earth's crust. It is not a man-made element.
Seaborgium is a man made element.
No, sulfur is a naturally occurring element found in the earth's crust. It is not man-made.
He was made of snow
No, Uranium is naturally occurring. But all elements beyond uranium are man-made.
Actinium is a natural chemical element, it is not a man-made element.
Selenium is a natural element.
No it is not.
Lanthanum is a natural element.
Seaborgium is a man made chemical element.