What is the change of energy when an electron of boron
What is the change of energy when an electron of boron travels from the 4th energy level to the 2nd energy level?
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you measure the activity of a radioactive sample then wait a few days and measure it again after 60 days the activity
150 ml of water at 500c is placed in the freezer compartment of a refrigerator with a coefficient of performance of 600
the half-life of the radioactive isotope bismuth-210 is 501 days how many days will it take for the mass of a sample of
during exercise a person may give off 145kcal of heat in 20min by evaporation of water at 20cfrom the skin the heat of
what is the change of energy when an electron of boron travels from the 4th energy level to the 2nd energy
light of wavelength 530 nm passes through a slit of width 0210 mma the width of the central maximum on a screen is 850
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apa 6th edition format title page introduction conclusion and reference pageeec has introduced a new 15 gigabyte gb
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