Respuesta :

aizisohail
Any compound should have a neutral charge. So the compound you make should have a net charge of zero.

So you have:
Mg which is 2+
And P which is 3-

You want to balance out both their charges. If you simply made MgP it would have a negative charge (because 2-3 = -1.)

Now to balance this, you have to find the LCM: In this case it is 6. (2x3)

Mg: Mg x 3
P: P × 2

You'll finally get Mg3P2.

Answer: Ionic formula will be [tex]Mg_3P_2[/tex].

Explanation: [tex]Mg^{2+}[/tex] and [tex]P^{3-}[/tex] ions will form a ionic compound. Ionic compounds have both metals and non-metals.

Here [tex]Mg^{2+}[/tex] is a metal and [tex]P^{3-}[/tex] is a non-metal.

The net charge on any compound must be 0.

So we need 2 phosphate ions to balance the charge on [tex]Mg^{2+}[/tex] ions. Similarly we need 3 Magnesium ions to balance the charge on [tex]P^{3-}[/tex] ions.

Criss-crossing the charges, we will get the formula as [tex]Mg_3P_2[/tex]

Criss-crossing is shown in the image below.

Ver imagen RomeliaThurston

Otras preguntas