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Explain how lone pairs of electrons influence the shape of a molecule.
Answers: 3
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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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Which of the following describes a situation where competition between producers exists
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Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
Explain how lone pairs of electrons influence the shape of a molecule....
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