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Chapter 9 Stephen Tummonds (Prefixes (Hepta (7), Di (2), Tri (3), Non (9),…
Chapter 9
Stephen Tummonds
Prefixes
Hepta
7
Di
2
Tri
3
Non
9
Deca
10
Tetra
4
Octa
8
Hexa
6
Mono
1
Matching The Word
Consists of a single atom with a positive or negative charge
ION
Atom or group of atoms having a negative charge
Anion
Atom or groups of atoms having a positive charge
Cation
In any chemical compound the masses of elements are always in the same proportion by mass
Law of Definite Proportion
Consists of multiple atoms with a net positive or negative charge
Polyatomic ions
NOTES
What type of ions have names ending in -ide
Binary ions
An -ate or -ite at the end of a compound name usually indicates that the compound contains
Oxygen
The Roman Numeral in a chemical name represents the
Charge
on the metal.
only D block
what is the oxidation number of oxygen in most compounds
charge -2
In naming a compound of 2 nonmetals , the number of atoms of each element present in the molecule is indicated by
prefixes