Find the right questions:
Covalent Bond Formation in Different Molecules:
A student observes the electron dot structures of four molecules formed by sharing electrons.
 
Molecule Formula
P \(Cl_{2}\)
Q \(O_{2}\)
R \(N_{2}\)
S \(CH_{4}\)
 
1. "As we move from P to R, the number of shared electron pairs increases by one". Which option supports the statement? - .
 
2. Which molecule helps its central atom attain an octet by forming four covalent bonds? - .