Molecular shapes activity
Draw the dot and cross diagrams for BF3, CH4, SF6
| BF3 | CH4 | SF6 | |
| Dot and cross diagrams |
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| Shape |
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| Angle |
Using 3 (for BF3), 4 (for CH4), and 6 (for SF6) cocktail sticks and a ball of blue tack (for the central atom).
Arrange the cocktail sticks as far away from each other as possible.
Sketch the shapes and try to work out the bond angles