How many molecules are in this formula. 4Mg3P2

d.) the average kinetic energy of the gas particles is greater in container b because its particles move faster.

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

a compound is a molecule made of atoms from different elements.

a. by the combination of an unlimited number of elements

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?