Magnesium ions form ionic bonds with fluoride ions in a 1:2 ratio. Explain how electrons are transferred between atoms and how the ionic bonds form in this compound.

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added

Mercury turns to a vapor at 629.88 k. how much heat is lost when 75.0 g of mercury vapor at 650 k condenses to a liquid at 297 k?

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron