Almost every element from hydrogen to uranium (going from smallest to biggest) is found naturally on Earth. Technitium is not found naturally on Earth, it is the exception. The trans-uranic elements are also not found naturally on Earth.
94 kinds of atoms occur naturally on earth
limestone
electrons are found in the nucleus of an atom
The crystalline substances that are found naturally in the earth are known as minerals. There are literally hundreds of minerals on Earth that are used in everything from industrial purposes to consumption.
because earth does not have the energy to produce plasma
Fluorine is found naturally in Earth's crust!
Silicon is the second most abundant element in the Earth's crust, making up about 28% of its mass. It is commonly found in the form of silicon dioxide (silica) in rocks, sand, and soil. It is also found in many minerals, such as quartz and feldspar.
Fermium doesn't occur naturally, and has not been found in the earth's crust
Essentially all of the atom's mass is in the nucleus. In the lightest atom, that of hydrogen, it's about 99.95 percent. In the heaviest naturally occurring atom, that of Uranium238, it's about 99.979 percent.
Argon is found in the air! Argon is present if the Earth's atmosphere at 0.94%
A nugget is a lump of metal which is naturally formed by heat in the earth. A silver nugget is a lump of naturally formed silver in metallic form. Nuggets of all kinds are only ever found in the earth.
Please be more specific. Found by whom? or do you mean what were the first compounds to occur on earth naturally?