Is ammonia an element a diatomic molecule or a compound?

Which part of the plant cell do vesicles develop into? Who suffers from climate change? What are Lewis electrons? What size and type of wire should you use if you want to run 100 feet of 240 volt 30 amp wire through your basement to your garage to run an electric kiln? Are pumpkins gymnosperm or a angisperm? Where does Carmen Plant live? Which region contain stable noble inert gases in other words which elements do not react with other element? What is the maximum rate of reproduction given ideal environmental conditions? Which respitatory disease causes airways to narrow or become blocked when dust smoke or cold air is present? Which is classified as a pure substance a compound a solution a colloid or a homogeneous mixture? What kind of surface or subsurface mining was done in Leadville Colorado? Is Greenland part of Europe? How man watts per hour does a 20 watt 12 volt lamp use? Is TiCl4 base? What greek letter is a prefix in the metric system? Name the greek islands in order of size? What family members of Louis Pasteur were still alive when he died? Does one ton of ice equal 12000 btu? What characteristic property measured in grams per cubic centimeter that tells a substance's mass per until volume? What NatWest branch has this sort code 600714?