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Why is aluminium used to make outer covering of aeroplane?
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Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %
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Which of the following units is not an official si unit? mole liter kilogram ampere
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What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?
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Chemistry, 22.06.2019 16:00
As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit
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Why is aluminium used to make outer covering of aeroplane?...
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