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Why are scientists interested in exploring mars? a. possible existence of sulfur vents b. possibility of mining minerals c. possible discovery of a cure for disease d. possible evidence of life
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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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With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals
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Chemistry, 23.06.2019 00:00
What does an electron configuration for an atom relate to the atoms placement on the periodic table
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Why are scientists interested in exploring mars? a. possible existence of sulfur vents b. possibili...
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