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Ch.2 Elemental Ions

Elemental Ions, Names, Symbols, Charge, Spelling.

QuestionAnswer
How do you know the charge of the Cations in the 1A, 2A, and 3A Periodic Groups? Their charge is the same as their group number. 1A=(+1), 2A=(+2), 3A=(+3)
How do you know the charge of the Anions in the 5A, 6A, and 7A Periodic Groups? Charge=(Group Number)-8 5aCharge=5-8=(-3).... 6aCharge=6-8=(-2) .... 7aCharge=7-8=(-1)
H :What is the Spelling and most common charge? Hydrogen (+1)
Li :What is the Spelling and charge(s)? Lithium (+1)
Na :What is the Spelling and charge(s)? Sodium (+1)
K :What is the Spelling and charge(s)? Potassium (+1)
Be :What is the Spelling and charge(s)? Beryllium (+2)
Mg :What is the Spelling and charge(s)? Magnesium (+2)
Ca :What is the Spelling and charge(s)? Calcium (+2)
Ba :What is the Spelling and charge(s)? Barium (+2)
Al :What is the Spelling and charge(s)? Aluminum (+3)
F :What is the Spelling and charge(s)? Fluorine (-1) ... Watch the 'U'
Cl :What is the Spelling and charge(s)? Chlorine (-1)
Br :What is the Spelling and charge(s)? Bromine (-1)
I :What is the Spelling and charge(s)? Iodine (-1)
O :What is the Spelling and charge(s)? Oxygen (-2)
S :What is the Spelling and charge(s)? Sulfur (-2)
N :What is the Spelling and charge(s)? Nitrogen (-3)
P :What is the Spelling and charge(s)? Phosphorus (-3)
Cu :What is the Spelling and charge(s)? Copper(I), Copper(II) ... Positive
Fe :What is the Spelling and charge(s)? Iron(II), Iron(III) ... Positive
Sn :What is the Spelling and charge(s)? Tin(II), Tin (IV) ... Positive
Pb :What is the Spelling and charge(s)? Lead(II), Lead(IV) ... Positive
Hg :What is the Spelling and charge(s)? Mercury(I), Mercury(II) ... Positive
Co :What is the Spelling and charge(s)? Cobalt(II), Cobalt(III) ... Positive ...(watch the 'a' when spelling)
Cr :What is the Spelling and charge(s)? Chromium(II), Chromium(III) ... Positive
Mn :What is the Spelling and charge(s)? Manganese(II) ... Positive
Ni :What is the Spelling and charge(s)? Nickel(II) ... Positive ... (watch the 'el' when spelling)
Zn :What is the Spelling and charge(s)? Zinc(II) ... Positive ... (watch the 'c' when spelling)
Ag :What is the Spelling and charge(s)? Silver(I) ... Positive
Which Elemental Cations receive a Roman Numeral as their charge? Transition Metals
When naming Elemental Ions in a compounds what name change is associated with the METAL CATIONS (elements on the left side of the table)? There is no name change. Their compound name is the same as their elemental name.
When naming Elemental Ions in a compounds what name change is associated with the Nonmetal and Metaloid ANIONS (elements on the right side of the table)? Most commonly they will have -ite or -ate endinging (indicating there is O in the formula). Some exeptions: Hydroxide (OH-1), Cyanide (CN-1)
When naming Elemental Ions in a compounds what name change is associated with the Transitional Metals (the center B groups of the table). There is no name change, but ROMAN NUMERALS are added to indicate charge. Unlike Metals, Nonmetals, and Metaloid ions, Transition metals can be associated with more than one charge. Ex: Cobalt(II)=(Co)+2 and Cobalt(III)=(Co)+3
Created by: BerScott
 

 



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