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Atomic Number, Atomic Mass , and its valency of first 30 Element

 Little Vaibhav Information ♥️


Hello My dear chemistry . How are you ? I hope you are fine there . So today in this article I am going to share you the Atomic Number , Atomic Mass and its Valency of first 30 Element.


So before I give let's have a short summary on What is Element, Atomic Number, Atomic Mass and Valency so that it could be more clear and it will will be a good concept for you too . So let's understand the answers of first following questions which are as following :-


Q1 : What is an Element ?

Ans : Element is a basic form of matter which cannot be broken down into simpler substances by using any chemical process. Robert Boyle was the first man who called it as Element. 


Q 2 : What is Atomic Number ?

Ans : Atomic Number is the number of Protons in the nucleus of an atom. It is represented by the letter 'Z' . It is unique for each element and the image which is provided below are arranged in from 1 to 30 with the help of this Atomic Number and that's how it is unique . 


Q 3 : What is Atomic Mass ?

Ans : Atomic Mass of an Element is the relative mass of its atom as compared with the mass of Carbon-12 atom which is taken as 12 units.

Atomic Mass = 1/12th of mass of Carbon-12


Q 4 : What is Valency ?



So I hope my friends these little concepts are clear to you . Now you can see the Atomic Number, Atomic Mass , and its valency of first 30 Element in Tabular form so that learning, remembering and understanding could be more easy .


Image is given below 


Atomic Mass and its Valency of first 30 Elements



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