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An overview of ionic compounds, including their naming, formulas, and different types. It covers metals and non-metals, ions and their charges, and systematic names for writing names and formulas. The document also explains the concept of the Stairway of Division on the Periodic Table and discusses ionic charges for various groups. Additionally, it covers ionic compounds, their formula units, and writing formulas for binary and ternary ionic compounds.
Typology: Lecture notes
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Overview Overview
Metals and Non-Metals Metals and Non-Metals
Ions and Ionic Charges
Ions and Ionic Charges
Types of Compounds Types of Compounds
Systematic Names Systematic Names
-Writing Names and Formulas
-Writing Names and Formulas
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Stairway Of Division on Periodic Table Stairway Of Division on Periodic Table
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C, P, Se, I, Rn and to the right are non- C, P, Se, I, Rn and to the right are non-
metals
metals
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B, Si, As, Ge, Sb, Te, Po, At are semi- B, Si, As, Ge, Sb, Te, Po, At are semi-
metals
metals
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All others are metals All others are metals
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Group I -> Group I ->
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Group II ->
Group II ->
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Group III ->
Group III ->
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Group IV ->
Group IV ->
1+ 1+
2+
2+
3+
3+
4+
4+
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Group V -> Group V ->
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Group VI ->
Group VI ->
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Group VII ->
Group VII ->
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Group VIII ->
Group VIII ->
3- 3-
2-
2-
1-
1-
Noble Gases
Noble Gases
TYPES OF
TYPES OF
COMPOUNDS
COMPOUNDS
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2
2
CHEMICAL FORMULAS
CHEMICAL FORMULAS
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Definition Definition
shows the kind and numbers of**
shows the kind and numbers of
atoms in the smallest
atoms in the smallest
representative unit of the
representative unit of the
substance.
substance.
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i. e.
i. e.
NaCl
NaCl
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If charges cancel, just write the symbols If charges cancel, just write the symbols
Na Na
Cl Cl
NaCl NaCl
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If charges do not cancel, criss-cross:
If charges do not cancel, criss-cross:
Ca Ca
Cl Cl
CaCl CaCl
22
***Do not move the charge, only the
***Do not move the charge, only the
number number
***Do not write the 1 ***Do not write the 1
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Your ability to name compounds
Your ability to name compounds
and write formulas depend on
and write formulas depend on
your ability to recognize whether
your ability to recognize whether
a compound is Ionic or
a compound is Ionic or
Molecular.
Molecular.
BINARY IONIC
BINARY IONIC
COMPOUNDS
COMPOUNDS
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BINARY IONIC
BINARY IONIC
COMPOUNDS
COMPOUNDS
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2 2
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3 3
2- 2-
2 2
2 2
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TERNARY IONIC
TERNARY IONIC
COMPOUNDS: Naming
COMPOUNDS: Naming
Calcium
Calcium
Nitrate
Nitrate
Notice the charges didnāt Notice the charges didnāt
cancel so they criss crossed cancel so they criss crossed
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Ca
Ca
(NO
(NO
3 3
)
)
Ca(NO
Ca(NO
3 3
)
)
2 2
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First word = CATION First word = CATION
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Second word = ANION
Second word = ANION
The Roman numeral will tell you the
The Roman numeral will tell you the
charge of the transition metal charge of the transition metal
charge is +
charge is +
