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Bonds/Naming compounds

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by

Samuel J Cohen

on 27 October 2016

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Transcript of Bonds/Naming compounds

Ionic Bonds
Covalent Bonds
The Mole
The force of attraction between
the opposite charges of the ions
in an ionic compound
The force of attraction that
forms between atoms when they
share electrons
Usually metals + nonmetals
Usually nonmetals
Bonds...
Types of Sharing
Hydrogen Bonds
Electronegativity- a measure of the attraction of an atom for electrons in a covalent bond
N O
2
N O
N O
N O
2
2
Gram Formula Mass
allows us to go from a non-familiar unit of
amu (atomic mass unit)
to a usuable unit of the
gram. (gram/mole)
6.022 x 10
23
Avogadro’s number
the number of particles in a mole of a substance
GIVE and TAKE
A weak bonding between
polar molecules
SHARING
Compounds/Molecules
subscripts are the NUMBER of
each element in the compound
2
Ex. CO
2
Ex. Cu(NO )
3
Writing and Naming Formulas
____ ( ) + ____ ( ) = 0
Oxidation States
1. The charge an atom
will have AFTER it reacts
Cations
Anion
- charge
2. The number of electrons the
atom wants to GIVE AWAY
Naming:
Metal name + Root of nonmetal name + ide
2
Writing: The STOCK System
One - Mono
Two - Di
Three - Tri
Four - Tetra
Five - Penta
Six - Hexa
Seven - Hepta
eight - Octa
Nine - Nona
Is one of them a metal?
This probably contains
a polyatomic Ion!
Are there only two
elements?
Ionic Bond
Covalent Bond
YES!
NO!
YES!
Use Roman Numerals with the stock system to show which TYPE of element
it is
Is the metal a Transition Metal OR have Roman Numerals?
YES!
NO!
NO!
Use Roman Numerals with the stock system to show which TYPE of element
it is
YES!
NO!
Transition Metal?
# of atoms
or ions
# of atoms
or ions
Oxidation State
Oxidation State
____ ( ) + ____ ( ) = 0
____ ( ) + ____ ( ) = 0
Naming:
Metal name + Polyatomic Ion Name
Writing: The STOCK System
# of atoms
# of atoms
Oxidation State
Oxidation State
____ ( ) + ____ ( ) = 0
Hyde
Full transcript