What is an Element | What County

What is an Element

A chemical element (often abbreviated as: chem. Element or chem element) is a pure substance that you can no longer break down into other substances by chemical processes. That is why chemical elements are also the basic building blocks of chemical reactions. The smallest possible amount of a chemical element is an atom.

What is an Element
What is an Element

You can remember here that all atoms of an element always have the same nuclear charge number (atomic number). This means that they contain the same number of protons (positively charged, subatomic particles) in the atomic nucleus. The structure of the electron shell is then also the same, which is why all atoms of an element behave chemically identical.

The elements in chemistry occur at different frequencies and can also form chemical compounds. To order the chemical elements in a meaningful way, there is the periodic table. The names of the individual elements are abbreviated there. So, they appear as a chemical symbol (element symbol), which consists of a maximum of two letters.

In chemistry and physics, an element is a substance that cannot be further decomposed into simpler components by a non-nuclear reaction. An element is determined solely by the number of protons in the nucleus of an atom. The number of protons in the nucleus of an atom is also known as the atomic number of the respective element.

The number of electrons in the atom of a special element can vary. If the number of electrons is equal to the number of protons, the atom has no electric charge. However, if the number of electrons differs from the number of protons, the atom is called an ion. If there are more electrons than protons, it is a negative ion. If there are fewer electrons than protons, it is a positive ion.

The number of neutrons in the atom of a special element can also vary. The number of neutrons in the nucleus of an element determines the isotope of the corresponding element. Of all the elements, there is a certain isotope, which is most common in nature. For example, the most common isotope of hydrogen has no neutrons at all. But there are isotopes with one neutron (called deuterium) and two neutrons (called tritium). The most common isotope of carbon has six neutrons in the nucleus, and another isotope, though less common, has eight.

Some elements can be divided into elements with a smaller atomic number. This is called a nuclear reaction or nuclear reaction. The process is also known as nuclear fission or nuclear fission and it was he who was responsible for the unprecedented explosion of the first atomic bombs (equivalent to several thousand tons of TNT). With the same process, energy is also obtained in nuclear power plants.

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