Aluminum has 3 electrons in its outer shellThe electron configuration of Al is 1s2 2s2 p6 3s2 3p1 and the outer electrons are in the s and p orbitalsThis configuration give Al a +3 charge.
Get an oven thermometer, and check the temperature of your ovenIt may be way off - which will cause your cakes not to cook correctly.
Have you checked the temperature on your new oven? Maybe it isn't heating properlyIn an electric oven you should let the oven heat up at least 10-15 minutes after it registers 350 degrees (or whatever temp you are using)Check the date of your cake mixes, old mixes will do thisBeating your cake mixes for a longer time will only make your cake toughI think I would use the top oven(just guessing here) and lastly, do you live in the mountains?
The only thing I can think of is that you are at a much higher elevation than you were beforeHigher elevations need special flour to get cakes to riseCheck with your neighbors to see if they are having the same problem.
