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What kinetic energy, k , must the electrons have in order to resolve a protein molecule that is 2.00 nm in diameter? Take the mass of an electron to be 9.11Γ10β31 kg
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What is the molar mass of a gas that has density of 2.054 g/l
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As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
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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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What kinetic energy, k , must the electrons have in order to resolve a protein molecule that is 2.00...
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