Bent/Angular Bond Angles

[Joey_Okumura_1E]

Please confirm: The approximate bond angles for a bent/angular molecule will be <120 or <109.5 depending on the number of lone pairs. (AX₂E₂ is <109.5 and AX₂E is <120)

[Hannah Biju 1E]

Yes, that's right.

[Lauren Mungo 1K]

Yes this is correct.

[Stephen Min 1I]

Yes, this is because the existence of lone pairs causes the bond angles to repel resulting in a decreased angle.

[Tatyana Bonnet 2H]

Yes you are correct.
If there is one lone pair (and 2 atoms) the electron geometry will be trigonal planar, however the molecular geometry is bent. Since it has 3 regions of e- density, the bond angles would be a little less than that of a trigonal planar with no lone pairs, so <120*

If there are 2 lone pairs (and 2 atoms) the electron geometry will be tetrahedral, however the molecular geometry is bent. Since there are 4 regions of e- density the bond angles would be less than that of a tetrahedral with no lone pairs, so <109.5*

[America Ramirez 3H]

yes you're right.