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Comparison of atoms with real world things-Atomic Comparison

Comparison of atom


Comparing atom to the real world things will amaze you and  make you more curious towards the Chemistry subject.

Let's start with some basic and then move on to the comparison part so that you can easily understand the comparison between Atom with human as well as other things.

Basics of Atom 

Atom is a basic unit of matter .

Atom is made up of three subatomic particles  protons , Neutrons and electrons. 

Central core part of  an Atom is called as Nucleus . Nucleus of an atom is made up of protons and neutrons except Hydrogen atom(H1) containing only 1 proton and no Neutron . 

Electron revolve around the nucleus in particular orbit .

Comparing Atom with Nucleus

The size of an atom is about 10^-10 meters and the size of nucleus is about 10^-15 meters . After taking ratio of this two numbers , I  found that atom is 100000 times larger than the nucleus . 

Comparing Atom with Earth

A simple (not exact) comparison , Let assume that Atom has a  size  of Earth ,  then the nucleus will be Cricket/football Ground .Yes!! It was also shocking for me when I initially started analyzing atomic data.

Amazing fact about atom

 Atom is 99.999% an empty space ,So if you remove all the empty space of an atoms of the earth ,  it will shrink to a size of an Apple or Orange .. 

Comparing Atom with A normal Person

A Normal human of about 70kg to 80 kg contains about 7 x 10^27 atoms. That is , 7000000000000000000000000000 atoms . So it simply means that a normal adult contain about billions of billions of billions of atoms in their body. 

Atom vs Cell

Atoms are present in human body in the form of cell (basic unit of life) . This atoms combines in such a way that it produces life . So we can say that a single cell is made up of millions of atoms.

Atom vs Sheet of papers

A thick sheet of paper (about 10^-4 m or 0.1mm) contains about 1 million of atoms in that thickness(it means that if you 1 million atoms arranged in a row , then it thickness would  be equal to the size of sheet of paper(about 0.1mm thickness)

Number of atoms in a given mass 

Most commonly found Element in living -Organism is Carbon . 1 billions of atoms are present only in 2 X 10^-14 grams of carbon . Yes !!!  You can easily calculate this if you know the formula  to calculate the Number of atoms in particular mass of Element or Substance

Number of atoms 

= Number of moles X Avogadro's Number

Number of moles =

Mass of Substance ÷ molar mass of Substance

Avogadro's Number = 6.022 X 10^23

In this way you can also find out the number of atoms in given mass of Element.

From the above examples , I realized that we are comparing a grain of sand with planet.

So this are some interesting size comparison of  an atom with different things .   

If you have any amazing facts about an atoms then  , please comment below .

Thanks for reading!!!


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