Write the empirical formula of at least four binary ionic compounds that could be formed from the following ions: zn2+, ni4+, f-, o2-

Ionic compounds are formed between oppositely charged ions.

A binary ionic compound is composed of ions of two different elements - one of which is a positive ion(metal), and the other is negative ion (nonmetal).

To write the empirical formula of binary ionic compound we must remember that one ion should be positive and other ion should be negative, then only the correct formula should be written. To write the empirical formula the charges of opposite ions should be criss-crossed.

First empirical formula of binary ionic compound is written between

First Formula would be

Second empirical formula is between

Second Formula would be

Note : When the subscript are same they get cancel out, so would be written as

Third empirical formula is between

Third Formula would be :

Forth empirical formula is between

Forth Formula would be : or

Note- The subscript will be simplified and the formula will be written as .

The empirical formula of four binary ionic compounds are :

The empirical formula of at least four binary ionic compounds :

1. ZnF₂

2. Ni₂O₄ ---.>NiO₂

3. ZnO

4. NiF₄

Ions are atoms that have a charge

Ions are formed because events are capturing or releasing electrons.

Ions can be differentiated based on the number of constituent elements they become

Based on the charge, ions can be divided into:

happens if the atom releases electrons, for example

Al³⁺, ---> Al⇒ Al³⁺ + 3e⁻

Pb²⁺, ----> Pb⇒ Pb²⁺ + 2e-

happens if the atom captures electrons, like

S²⁻, S + 2e⁻⇒ S²⁻

F⁻, F + e⁻⇒ F⁻

For ionic compounds consisting of cations (ions +) and anions (ions -)

The naming is preceded by the cation then the anion with the -ide suffix added

Generally for this ion compound consists of metal elements as cations and non-metals as anions

Binary ionic compounds are formed from 2 different atomic elements, namely metal and non-metal

Metals as cations are positively charged ions.

Nonmetals as anions are negatively charged ions.

Cation and anion charge numbers are placed crosswise.

From some of these ions

Possible compounds from the incorporation of these ions are ions

1. ZnF₂

2. Ni₂O₄ ---.>NiO₂

3. ZnO

4. NiF₄

The net ionic equation

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ion stability

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ionic bonding

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Keywords: binary ionic compounds, elements, cations, anions, polyatomic, monoatomic

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