A sheet of metal and a sheet of paper are left next to each other in the sunshine. After several minutes, the metal will be warmer to the touch than the paper. The metal is a (n)and the paper is a(n)​

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

All motion is caused by force? true or false

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.