Questions: Electronic Structure and Chemical Bonding Predicting the single-bonded molecular compounds formed by two... For each row in the table below, decide whether the pair of elements will form a molecular compound, check the box and enter the chemical formula and name of the compound. (When multiple compounds are possible, use the compound with the fewest total number of atoms.) You may assume all chemical bonds are single bonds, not double or triple bonds. element #1 element #2 element pair will form a molecular compound chemical formula name --------------- barium chlorine ☐ ☐ ☐ hydrogen chlorine ☐ ☐ ☐ nitrogen hydrogen ☐ ☐ ☐

Electronic Structure and Chemical Bonding Predicting the single-bonded molecular compounds formed by two... For each row in the table below, decide whether the pair of elements will form a molecular compound, check the box and enter the chemical formula and name of the compound. (When multiple compounds are possible, use the compound with the fewest total number of atoms.) You may assume all chemical bonds are single bonds, not double or triple bonds. element #1 element #2 element pair will form a molecular compound chemical formula name --------------- barium chlorine ☐ ☐ ☐ hydrogen chlorine ☐ ☐ ☐ nitrogen hydrogen ☐ ☐ ☐
Transcript text: Electronic Structure and Chemical Bonding Predicting the single-bonded molecular compounds formed by two... For each row in the table below, decide whether the pair of elements will form a molecular compound, check the box and enter the chemical formula and name of the compound. (When multiple compounds are possible, use the compound with the fewest total number of atoms.) You may assume all chemical bonds are single bonds, not double or triple bonds. \begin{tabular}{|c|c|c|c|c|} \hline \multirow{2}{*}{ element \#1 } & \multirow{2}{*}{ element \#2 } & \multirow{2}{*}{\begin{tabular}{l} element pair \\ will form a \\ molecular \\ compound \end{tabular}} & \multicolumn{2}{|l|}{ molecular compound } \\ \hline & & & \begin{tabular}{l} chemical \\ formula \end{tabular} & name \\ \hline barium & chlorine & $\square$ & $\square$ & $\square$ \\ \hline hydrogen & chlorine & $\square$ & $\square$ & $\square$ \\ \hline nitrogen & hydrogen & $\square$ & $\square$ & $\square$ \\ \hline \end{tabular}
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Solution

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Solution Steps

Step 1: Determine if the Element Pair Forms a Molecular Compound

To determine if a pair of elements will form a molecular compound, we need to consider their positions in the periodic table and their typical bonding behavior. Molecular compounds are usually formed between nonmetals.

  • Barium and Chlorine: Barium is a metal, and chlorine is a nonmetal. They typically form ionic compounds, not molecular compounds.
  • Hydrogen and Chlorine: Both are nonmetals and can form a molecular compound.
  • Nitrogen and Hydrogen: Both are nonmetals and can form a molecular compound.
Step 2: Determine the Chemical Formula and Name

For the pairs that form molecular compounds, we need to determine the simplest chemical formula and the name of the compound.

  • Hydrogen and Chlorine: They form hydrogen chloride, with the chemical formula \( \text{HCl} \).
  • Nitrogen and Hydrogen: They form ammonia, with the chemical formula \( \text{NH}_3 \).

Final Answer

  • Barium and Chlorine:

    • Will form a molecular compound: No
    • Chemical formula: N/A
    • Name: N/A

  • Hydrogen and Chlorine:

    • Will form a molecular compound: Yes
    • Chemical formula: \(\boxed{\text{HCl}}\)
    • Name: \(\boxed{\text{Hydrogen Chloride}}\)

  • Nitrogen and Hydrogen:

    • Will form a molecular compound: Yes
    • Chemical formula: \(\boxed{\text{NH}_3}\)
    • Name: \(\boxed{\text{Ammonia}}\)
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