Nf3 has three f atoms bonded to a central n atom, with one lone electron
pair on the n. what is the shape of this molecule?
o
a. tetrahedral
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b. trigonal planar
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c. bent
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d. trigonal pyramidal

The boiling point of liquids is very high what does it indicate

When would a bouncy ball have the most potential energy

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here