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Write the electron dot formula and draw the structural formula for each of the following polyatomic ions: (a) \(\mathrm{IO}^{-}\) (b) \(\mathrm{IO}_{2}^{-}\) (c) \(\mathrm{IO}_{3}^{-}\) (d) \(\mathrm{IO}_{4}^{-}\)

Write the electron dot formula and draw the structural formula for each of the following polyatomic ions: (a) \(\mathrm{SO}_{4}^{2-}\) (b) \(\mathrm{HSO}_{4}^{-}\) (c) \(\mathrm{SO}_{3}^{2-}\) (d) \(\mathrm{HSO}_{3}^{-}\)

Write the electron dot formula and draw the structural formula for each of the following polyatomic ions: (a) \(\mathrm{PO}_{4}^{3-}\) (b) \(\mathrm{HPO}_{4}^{2}\) (c) \(\mathrm{PO}_{3}^{3-}\) (d) \(\mathrm{HPO}_{3}^{2-}\)

Write the electron dot formula and draw the structural formula for each of the following polyatomic ions: (a) \(\mathrm{H}_{3} \mathrm{O}^{+}\) (b) \(\mathrm{OH}^{-}\) (c) \(\mathrm{HS}^{-}\) (d) CN

Write the electron dot formula and draw the structural formula for each of the following polyatomic ions: (a) \(\mathrm{PH}_{4}^{+}\) (b) \(\mathrm{SeO}_{3}^{2-}\) (c) \(\mathrm{CO}_{3}^{2-}\) (d) \(\mathrm{BO}_{3}^{3-}\)

What is the general trend in electronegativity within a group of elements in the periodic table?

What is the general trend in electronegativity within a period of elements in the periodic table?

Which elements are more electronegative: metals or nonmetals?

Which elements are more electronegative: semimetals or nonmetals?

Predict which element in each of the following pairs is more electronegative according to the general trends in the periodic table: (a) Br or Cl (b) \(\mathrm{O}\) or \(\mathrm{S}\) (c) Se or As (d) \(\mathrm{N}\) or \(\mathrm{F}\)