Question

For molecules with only one central atom, how many lone pairs on the central atom guarantees molecular polarity?

Answer 1

The answer is "1".

Step-by-step explanation:

It is the lone pairs at, which the central atom provides the molecular and the polarity. It is only for substances with just a central atom, for which the molecules with only one central atom and only one of the solitary paired were required, that's why in this question the "1" is the correct answer.