Which element has n=4 and has three electrons in its valence p orbital?
a) as b) se c)...
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Which type of reaction always has an element and a compound as reactants
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Which of the following words describe the reality that the universe looks the same from various perspective
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