Interpretation:
The formulas for the ionic compounds formed from the pair of given ions are to be written.
Concept Introduction:
An ionic compound consists of ions that have electrostatic interaction between them which is termed as ionic bonding.
The element symbols and subscripts in an ionic compound are represented by a chemical formula.
While writing the chemical formula for an ionic compound, the symbol of the metal is written first, which is followed by the symbol of the non-metal.
Formal charge equation can be given as:
where F is the formal charge, Z is the group number of the element, S equals the number of shared electrons, and U is the number of unshared electrons.
The arithmetic sum of all the formal charges in a molecule or ion will equal the overall charge on the molecule or ion.
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Chemistry: The Molecular Nature of Matter
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