Which statement(s) about a molecule of BF3\text{BF}_3BF3 is/are correct?
1: It is a non-polar molecule. 2: It contains a total of 9 lone pairs of electrons. 3: It has a bond angle of 120∘120^\circ120∘.
1 and 2 only
1 and 3 only
2 and 3 only
1, 2 and 3
