Predict the molecular shape of these compound

I can see why you put “Tetrahedral”, for it has that Lone Pair of Electrons, and they push the Hydrogens of Ammonia DOWN, but it is the Molecular, not Electronic geometry/conformation That is wanted; so see that sp3 hybridization in your mind, and how the N is “above” the three equidistant Hydrogen atoms, BUT, “ignore“ the Lone Pair; now the Molecule does look like a pyramid, yes? So the answer is trigonal pyramidal.

Explanation:

chemical properties are the characteristic of matter which can only be observed by changing the chemical identity of a sample like flammability reactivity and toxicity.