Which of the following is the correct set for $SiO_2$?

The correct order for $O-O$ bond length in the given substances is:
$I.$ $H_2O_2$
$II.$ $O_2$
$III.$ $O_3$

Which of the following statements is true?

Choose the correct order for the given properties.

Which among the following is an example of an odd electron molecule?

Fill in the blanks given below:
$(i)$ The electronic configuration of noble gases is .......... .
$(ii)$ The bond formed by electrostatic attraction between a cation and an anion is called ........... .
$(iii)$ The octet rule is also known as ............ .
$(iv)$ The equilibrium distance between the centers of two bonded atoms in a molecule is called .......... .