Chemistry, asked by namanrjain2004, 11 months ago

why is helium called a noble gasses element
what is octet configuration
how many electrons does an atom of nitrogen need to have a nobel gas configuration atomic no of n is 7 with full formula
an ion has 6 electrons and 7 protons is it cation or proton explain

Answers

Answered by Aayush100011
1

Answer:

Explanation:

Helium is called a noble gas because it's outer most shell is fully filled with electrons

N require 3 more electrons to attain Noble gas configuration

It is called cation or proton because the sign of the net charge is positive

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