What is Molecule | Atomic structure of Silicon (Si) molecule | Element and Compound Molecule Details

Dear friends, this is the third episode of Basic Electronics. In this episode, I will discuss the basic concept of 'molecule' and specifically explain the structure of the silicon (Si) molecule. The world of atoms and molecules is the foundation of electronics, and silicon plays an essential role in the manufacture of electronic devices.

Silicon is used in diodes, transistors, and chips, so understanding its atomic structure is very important. We will also learn in detail about the properties of elementary and compound molecules and their differences. So, let's dive deep into the fascinating world of silicon molecules!

What is a Molecule? Atomic Structure of Silicon (Si) Molecule | Element and Compound Molecule Details.

What a Molecule is: In simple words, tiny particles of a substance are called molecules, but in a little more detail, you will know more about molecules.
The smallest particle of a solid, liquid, or gaseous substance that exists in a free or independent state and possesses all the properties of that substance is called a molecule. These tiny particles or molecules of matter cannot be seen without a microscope. There are generally two types of molecules: element molecules and compound molecules.

Molecule of Element:

The substance comprises only one kind of molecule, and when those molecules are broken down to form one type of atom, it is called the elemental substance. And the molecules of the primary substance are called element molecules.

Atomic Structure of Silicon

The 1st part of the picture above is pure silicone (Si), and the second part contains only one silicon (Si) molecule. This silicon molecule has no atoms of any other substance except silicon, so silicon molecules are excellent examples of elemental molecules. The silicon molecule contains 14 electrons, and the nucleus at the center of the silicon molecule contains 14 protons and 14 neutrons. The way planets of the solar system revolve in their orbits around the sun,
In the same way, the electrons revolve around the orbits of the nucleus. Silicon is the material of semiconductors. In proportion to the number of electrons, protons, and neutrons, silicon has made it easy to build diodes, transistors, ICs, and other electronic components.

Compound Molecule (Atomic structure of Water)

What are substances, Elements, and Compounds? - CLICK HERE
Silicon:
Silicon was discovered by Swedish Chemist Jons Jacob Berzelius in 1824.
Symbol of silicon - Si
The atomic number of silicon is 14
Number of molecules- 14
Number of protons - 14
Electrons per shell or orbit- 2, 8, 4 
Group- 14 (Carbon) 
Silicon is a semiconductor.

Compound Molecule

The molecules formed when atoms of different elements are joined are called compound molecules. As you can see in the figure above, a bit of oxygen and two atoms of hydrogen are combined to form a water molecule. There are more examples where a carbon (C) atom and two oxygen (O) atoms mix to create a carbon dioxide molecule. So, both water molecules and carbon dioxide molecules are compound molecules.
What are the Atom, Valence shell, Nucleus, Electron, Proton, and Neutron? - CLICK HERE
Author- M. A. Mostafa
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