Ahydrogen electron is elevated from level 1 to level 2. another electron is elevated from level 2 to level
4. the transition requiring the greatest energy change is
done
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What type of electromagnetic radiation has a shorter wavelength than blue light

What is the mass of oxygen gas is consumed in a reaction that produces 4.60mol so2

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius