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1 February, 11:55

A binary ionic compound is known to contain a cation with 51 protons and 48 electrons. The anion contains one-third the number of protons as the cation. The num - ber of electrons in the anion is equal to the number of protons plus 1. What is the formula of this compound? What is the name of this compound?

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  1. 1 February, 13:15
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    The answer to your question is Antimony chloride or Antimony trichloride

    Formula SbCl₃

    Explanation:

    Data

    Cation Anion

    51 protons 1/3 of the protons of the cation

    48 electrons electrons = protons + 1

    Process

    1. - Look for the element that has an atomic number of 51

    Antimony = Sb

    - It has 48 electrons, that means its charge is

    51 - 48 = 3

    -Then, the formula of Antimony is

    Sb⁺³

    2. - Divide 51 by 3

    51/3 = 17

    -Look for the element with an atomic number of 17

    -This element is Chlorine

    Cl

    -Calculate the charge of Chlorine

    17 - 18 (17 + 1) = - 1

    -Then, the formula of chlorine is

    Cl⁻¹

    3. - Write the formula of the compound

    Sb⁺³ + Cl⁻¹ = SbCl₃

    4. - Write the name of the compound.

    This compound is a binary salt, so, it is called

    Antimony chloride or Antimony trichloride
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