The pair of elements which are non-metals and at the same time; gases at room temperature and normal atmospheric pressure are as follows:
N2, O2, He, Ar
What is an element?
An element is a substance which cannot be split into simpler units by any ordinary process.
- Some elements are metals
- Some are non-metals
- Some are gases
Some few examples of elements include:
Hydrogen
Helium
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Learn more about elements:
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