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Chemistry, 21.06.2019 19:30
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Chemistry, 21.06.2019 22:30
Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.
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The minerals found in bones are deposited by living cells called
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Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17
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How does the numbers of electrons and protons in an atom affect its electrical...
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