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How many types of element ?

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How many types of element ?

Posted by Shivam Verma 4 years, 6 months ago

CBSE > Class 09 > Science

2 answers

Ayush Tyagi 4 years, 5 months ago

118

Yogita Ingle 4 years, 6 months ago

An element is a substance that is made entirely from one type of atom. For example, the element hydrogen is made from atoms containing a single proton and a single electron. If you change the number of protons an atom has, you change the type of element it is.
Currently, scientists know of 118 different elements. Some, like gold, silver, copper and carbon, have been known for thousands of years. Others, such as meitnerium, darmstadtium and ununquadium, have only recently been created by scientists. All known elements are arranged on a chart called the Periodic Table of Elements.

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