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For each of the three ionic compounds, select which main group X belongs to.
(a) X3PO4 (b) CaX2 (c) X2(SO4)3
Group 1A (1) Group 1A (1) Group 1A (1)
Group 2A (2) Group 2A (2) Group 2A (2)
Group 3A (13) Group 3A (13) Group 3A (13)
Group 4A (14) Group 4A (14) Group 4A (14)
Group 5A (15) Group 5A (15) Group 5A (15)
Group 6A (16) Group 6A (16) Group 6A (16
Group 7A (17) Group 7A (17) Group 7A (17)
Group 8A (18) Group 8A (18) Group 8A (18)

Respuesta :

Group 1A Group 7A Group 1A 

Answer:

For a: The element X belongs to Group 1A

For b: The element X belongs to Group 7A

For c: The element X belongs to Group 3A

Explanation:

An ionic compound is defined as the compound which is formed when electron gets transferred from one atom to another atom.

These are usually formed when a metal reacts with a non-metal or a metal reacts with a polyatomic ion or a reaction between two polyatomic ions takes place.

  • For a:  [tex]X_3PO_4[/tex]

This compound is formed by the combination of [tex]X^+\text{ and }PO_4^{3-}[/tex] ions

Here, element X is forming a positive ion because of its interaction with negative ion

The group which forms [tex]X^+[/tex] ions is Group 1 A

Hence, the element X belongs to Group 1A

  • For b:  [tex]CaX_2[/tex]

This compound is formed by the combination of [tex]Ca^{2+}\text{ and }X^-[/tex] ions

Here, element X is forming a negative ion because of its interaction with positive ion

The group which forms [tex]X^-[/tex] ions is Group 7 A

Hence, the element X belongs to Group 7A

  • For c:  [tex]X_2(SO_4)_3[/tex]

This compound is formed by the combination of [tex]X^{3+}\text{ and }SO_4^{2-}[/tex] ions

Here, element X is forming a positive ion because of its interaction with negative ion

The group which forms [tex]X^{3+}[/tex] ions is Group 3 A

Hence, the element X belongs to Group 3A

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