Americium, Curium, Berkelium, Californium, Einteinium, Fermium etc
No, barium is a naturally occurring chemical element found in minerals such as barite and witherite. It is not a synthetic element.
Boron is a naturally occurring element found in the Earth's crust. It is not a synthetic material.
neptunium
Nobelium is a radioactive, artificial chemical element.
No, aluminum is a naturally occurring chemical element and is the most abundant metal in the Earth's crust. It is not a synthetic element, meaning it is not artificially created by humans.
Yes, plutonium is an artificial element, man made.
Iodine is found in nature and is not synthesized. As an example, there is iodine in sea water.
No, boron is a naturally occurring element that is found in the Earth's crust. It is not synthetic.
Yttrium is a natural element found in the Earth's crust. It is not a synthetic element.
No, Bromine is not a synthetic element, it occurs naturally
Yes
it is synthetic
No.
no
Lithium is a natural element that is found in various minerals and salts in the Earth's crust. It is not a synthetic element.
Yes, xenon is a naturally occurring element found in trace amounts in the Earth's atmosphere. It is not a synthetic element.
No, barium is a naturally occurring chemical element found in minerals such as barite and witherite. It is not a synthetic element.