Tuesday, August 9, 2022

Fundamental Molecules: Definition and Examples

KOMPAS.com Atoms are the building blocks of all kinds of matter on Earth. A combination of atoms of the same type is called an elemental molecule. What is a fundamental molecule? Here is the definition and example of elemental molecules!

reported from chemistry free lessonsA molecule is a combination of two or more atoms that are so strongly linked together that they behave as a single particle.

Then what is meant by elemental molecule? reported from Discovery of our Liquid EarthThe molecule of an element is made up of two or more atoms of the same element.

Simply put, a fundamental molecule is a molecule made up of a collection of similar atoms.

Also read: Principles of Molecular Formation

reported from Khan AcademyThe atoms in the molecule of elements are bound together with covalent bond stability which comes from electrostatic attraction between atomic nuclei.

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Covalent bonds make two or more atoms in an element’s molecules bond very strongly.

Element molecules can be said to be the smallest part of a substance which has chemical properties as well as physical properties. Usually, elemental molecules have no charge or are neutral.

atomic type elements

Broadly speaking, elemental molecules are divided into molecules of diatomic elements and molecules of polyatomic elements.

Also read: Difference Between Elements and Compounds

Molecules of diatomic elements are bound together by two atoms of the same type. Meanwhile, three or more atoms of the same type bonded together form polyatomic element molecules.

The best known example of an elemental molecule is oxygen with the molecular formula O2. That is, oxygen has two oxygen atoms.

Oxygen is a fundamental molecule because it consists of two atoms of the same type (oxygen atom and oxygen atom) without the presence of other types of atoms.

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Meanwhile, carbon dioxide (CO2) is not a fundamental molecule. This is because carbon dioxide is formed from two elements or two different types of atoms, namely carbon atoms (C) and oxygen atoms (O).

Also read: Examples of Single Substances Which Are Compounds

In addition to oxygen (O2), here are examples of elemental molecules:

  • Hydrogen (H2)
  • Nitrogen (N2)
  • Fluorine (F2)
  • Chlorine (Cl2)
  • Bromine (Br2)
  • Iodine (I2)
  • Ozone (O3)
  • Phosphor (P4)
  • Octasulfur (S8)

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