Helpp plss! As you move from left to right across a period, what happens to the atomic radii?
They increase, because of the higher number of occupied energy levels.
They increase, because of the weaker attraction of electrons to the nucleus.
They decrease, because of the stronger effective nuclear charge.
They decrease, because of the increased atomic mass.
Answers: 2
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Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1
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An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?
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If you used the method of initial rates to obtain the order for no2, predict what reaction rates you would measure in the beginning of the reaction for initial concentrations of 0.200 m, 0.100 m, & 0.050 m no2.
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Helpp plss! As you move from left to right across a period, what happens to the atomic radii?
They...
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