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What are some binary molecular compounds?

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Some examples of binary molecular compounds are hydrofluoric acid, written as HF; nitrogen dioxide, written as NO2; and phosphorus pentoxide, written as P2O5. A binary molecular compound is a compound composed of two non-metal elements.

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Other examples of binary molecular compounds include nitrogen trifluoride, dihydrogen monosulfide and sulfur hexafluoride. The atoms in these compounds combine using covalent bonds, whereas compounds with salts contain ionic bonds. Binary molecular compounds are named by giving the second element the suffix "-ide." Numerical prefixes for each element indicate the number of atoms present. For example, P406 uses the prefixes "tetra-" and "hex-" to indicate four atoms of potassium and six atoms of oxygen in tetraphosphorus hexoxide.

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  • Q:

    What is the molar mass of HF?

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    The molar mass of HF, the chemical formula for hydrogen fluoride, is about 20 grams per mole. The molar mass can be determined by adding the atomic mass of each atom in the compound.

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  • Q:

    What are some examples of binary acids?

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    Examples of binary acids include hydrofluoric acid, hydrochloric acid, hydrobromic acid and hydroiodic acid. A binary acid is a compound or a solution where one element is a nonmetal substance and the other element is hydrogen.

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  • Q:

    What are examples of acids and bases?

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    Some common examples of acids are hydrosulfuric acid, hydrobromic acid, hydrochloric acid, hydroiodic and hydrofluoric acid, while some common bases are calcium hydroxide, sodium hydroxide, barium hydroxide, ammonium hydroxide, magnesium hydroxide and potassium hydroxide. The acidity or basicity of a substance is measured on the pH scale. Acids increase the concentration of hydronium ions when dissolved in water, whereas bases decrease it.

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  • Q:

    How do aqueous solutions of ionic and molecular compounds differ?

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    Aqueous solutions of ionic compounds are good conductors of electricity while solutions of molecular compounds are not. This is true because the individual ions in ionic compounds may completely dissociate in water with molecules remaining whole. Ionic and molecular compounds also affect the boiling and melting points of water.

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