What effect would lowering the temperature have on this reaction?
3H + N
2NH3 + energy

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?