The distance between the red and blue balls at the corners of this cube is0.448 nm :Calculate the distance between the red and green balls. Round your answer to significant digits, and be sure it has the correct unit symbol.

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?

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

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?