chemical formula and bond polarity
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Problem 4.36.Write the correct formula for the following compounds.
Part A. aluminum chlorate
Part B. ammonium oxide
Part C. magnesium bicarbonate
Part D. sodium nitrite
Part E. copper(I) sulfate
Problem 4.40. State the number of valence electrons, bonding pairs, and lone pairs in each of the following electron-dot formulas.
Problem 4.66. For each of the following bonds, indicate the positive end with and the negative end with. Write an arrow to show the dipole for each.
Part A. Si-Cl
Part B. Se-F
Part C. Br-F
Part D. N-H
Part E. N-P
Problem 4.52. Name the following covalent compounds.
Part A. CS2
Part B. P2O5
Part C. Cl2O
Part D. PCl3
Part E. IBr3
Part F. SO3
Problem 4.78. Identify the following molecules as polar or nonpolar.
Part A. H2S
Part B. PBr3
Part C. SiCl4
Part D. SO2
Problem 4.88. Write the formula of the following ionic compounds.
Part A. Tin(IV) oxide
Part B. Iron(III) sulfide
Part C. Lead(IV) sulfide
Part D. Chromium(III) iodide
Part E. Lithium nitride
Part F. Gold(I) oxide
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