How many ways are there to classify matter? list all of them.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

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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.