1.

Nitrogen and oxygen are (A) Metal(B) Non-metal (C) Metalloids (D) None

Answer»

Correct Answer is: (B) Non-metal 

The Non-metals that are gases are Hydrogen, Nitrogen and Oxygen. The Non-metals that are solids are Carbon, Phosphorus, Selenium and Sulphur. 

The properties of non-metals are not universal or as consistent as the metals.



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