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General Chemistry I
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The central atom of the phosphate ion (PO43−) exhibits which type of orbital hybridization?
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Human vision cuts off on the red side of the spectrum at about 675 nm. What is the energy of a photon of this wavelength?
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In 1911, Rutherford performed a decisive experiment when sending a beam of α particles (⁴₂He, positive charge) to a thin gold foil. He observed that most of the α particles went through the foil; only few particles were scattered. It is because:
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Sodium is much more apt to exist as a cation than chlorine. This is because _____?
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The first three ionization energies (in kJ/mol ) of four metallic elements are listed below. Which element would form the chloride salt with the lattice energy that is largest in magnitude?
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The hybridization orbital of Oxygen atom inside H2O is:
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Consider the three electronic transitions in a hydrogen atom shown here, labeled A, B, and C. Calculate the energy of the energy emitted for transition C
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A sample of tap water consists of water, fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which of the following best describes this sample of tap water?
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In which set of elements would all members be expected to have very similar chemical properties?
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Peroxydisulfuric acid ( ) is a:
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