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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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joseaaronlara

Answer:

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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