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