nomen

Nomenclature of inorganic compounds

Matter and Environment by Lilia Villalba Almendra

4 Points

To remember

Cations and Anions

Periodic Table

Positive and negative from periodic table

Do you know metals and non metals?

Oxidation State

Ionic and Covalent

Do you recognize compounds that are ionic and covalents?

to recognize on the PT the oxidation state of elements

Inorganic Families

Polyatomic Ions

Oxidation state

Index

Formulation

Nomenclature

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Ionic Compounds

Covalent Compounds

Practice Covalent

Practice Ionic

Practice Acids

a positive or negative number that represents the effective charge of an atom indicates the possibility of its combination.

Oxidation state!

Rules to determine oxidation states The oxidation state of an uncombined element is zero. Xe, Cl2, Fe The sum of the oxidation states of all the atoms or ions in a compound is zero.

Polyatomic ions

Polyatomic ions are a set of covalently bonded atoms that have an overall charge, making them an ion. For example, the hydroxide ion has the formula OH-1

Formulation

How to create formulas:

Formulation

Aluminum and Hydrogen

Define metal and nonmetal oxidation states Aluminum 3+ Hydrogen -1 Balance the charges by crossing to the subscript part. Simplification rules apply

Formulas Exercises

Exercises Answered

NAME STRUCTURE IONIC COMPOUNDS

IONIC NAME STRUCTURE (anion just one element)

• name cation + name anion IDE Na Cl= Sodium chloride
• name cation (roman number charge) + name anion IDE Fe2O3= Iron(III) oxide

IONIC NAME STRUCTURE anion (polyatomic ion)

• name cation + name polyatomic Na2SO4= Sodium sulfate
• name cation (roman number charge) + name polyatomic Ti (ClO4)4 Titanium (IV) perchlorate

NAME STRUCTURE COVALENT COMPOUNDS not acids

prefix-name of first element (EXCEPT mono)+ prefix-name second element- IDE CO= carbon monoxide P2S5= diphosphorous pentasulfide

NAME STRUCTURE COVALENT COMPOUNDS "ACIDS"

ACIDS "HYDRACIDS" [ H+][ELEMENT -]hydro-root element-ic acids HCl= hydro chloric acid H2S= hydro sulfuric acid

ACIDS "OXYACIDS" [ H+][polyatomic -] name polyatomic ate-->ic ite-->ous + ACID HClO2= chlorite = Chlorous acid H2SO4= sulfate = Sulfuric acid

Note: Sulfur´s name is used as root of the element

Try the next exercises

Start by classifying the compounds

More to practice

Name of the inorganic family

Non Metal

Name of the inorganic family

Thanks for your attention