How does bond energy vary from `N_2^+` and `N_2^-`. Why?

How does covalent radius vary across a period?

How would the bond lengths vary in dicarbon species C_2 , C_2^- , C_2^(2-) ?

How do S_N^1 differ from S_N^2 reactions ?

Which of the following species has the shortest bond length? N_2^(+) , N_2 , N_2^(-) , N_2^(2-)

What is meant by hydrogen bond? What is bond energy of hydrogen bond? Why is HF, 'H_2 O' are liquids whereas 'HCl, HBr, HI' and 'H_2 S' are gases?

N2 is inert. Why?

What is meant by the term bond order? Calculate the bond order of: N_2 , O_2 , O_2^+ and O_2^- .