1) If the anhydride of nitrous acid (HNO2) is N2O3 then what is the anhydride of nitric acid (HNO3)? Select one: A. NO2 B. N2O3 C. N2O5 D. NO3 2) Second row elements differ from heavier elements in...

1) If the anhydride of nitrous acid (HNO2) is N2O3 then what is the anhydride of nitric acid (HNO3)? Select one: A. NO2 B. N2O3 C. N2O5 D. NO3 2) Second row elements differ from heavier elements in all of the following ways except Select one: A. atoms of second row elements are smaller. B. heavier elements commonly form multiple bonds while second row elements cannot. C. atoms of second row elements have higher electronegativities. D. heavier elements have electrons in d orbitals while second row elements do not. 3) What is the name of the complex [Ni(en) 3 ] 3 [Cr(CN) 6 ] 2 ? Select one: A. tris(ethylenediamine)nickel(III) hexacyanochromate(II) B. ethylenediaminenickel(III) hexacyanochromate(II) C. tris(ethylenediamine)nickel(II) hexacyanochromate(III) D. bis(ethylenediamine)nickel(II) hexacyanochromate(III)