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what is exact defination of element ?

Posted by Disha Patil 5 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Srijal Verma 5 years, 1 month ago

An element is a substance which cannot be split up into two or more simpler substance , by the usual chemical method ( like :- heat, light or electric energy FOR EXAMPLE:- Iron, gold, silver , sodium etc Elements are further. Grouped into the following three categories 1) metal 2) Non metal 3) metalloids

Yogita Ingle 5 years, 1 month ago

Elements – Elements constitute the simplest chemical substances in which all the atoms are exactly the same.
Although an element’s atoms have the same number of protons, they can have different numbers of neutrons and hence different masses.

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