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Hydrogen atom has single electron in its valence shell. Which of the following option is suitable for hydrogen atom to form molecule with another hydrogen atom?
a) to gain electron                               

b) to lose electron
c) to share electron

d) none of these


The molecule of hydrogen is…..which formed by the sharing of electrons.
a) monoatomic                   

b) diatomic
c) triatomic                          

d) polyatomi


After sharing an electron, hydrogen gains stability by attaining electronic configuration like……..
a)argon

b) helium              

c) neon

d) xenon


Shared pair of electrons in covalent bond is represented by……..
a) dot    

b) cross 

c) dash  

d) all of these


The bond which formed by the sharing of electrons is called……..
a) ionic bond                       

b) covalent bond
c) dative bond                     

d) hydrogen bond


Which of the following elements make the covalent bonds?
a) metals & metals             
b) non-metal & non-metal
c) metals & non-metals     

d) all of these