basic bonding and naming. there are three types of bonds between atoms 1. ionic bonds 2. covalent...
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Basic Bonding and Naming
There are three types of bonds between atoms1. Ionic Bonds
2. Covalent Bonds
3. Metallic Bonds
Ionic
metal and non metal
Calcium Chloride CaCl2 – what does the little 2
mean?
How many chlorides are “stuck” to each
Calcium? What is the FU
FU- formula unit
Smallest piece of an ionic compound
How do we name them?
It used to be that you could name them anything you wanted, like potash K2CO3 or baking soda HaHCO3.
Lavosier, changed that. He wanted it systematic
How do we name them?
1. First kind is a binary compounds
Cation goes first and you use just the regular name like Magnesium, or Lithium.
Next is the Anion
This is the negatively charged part and it gets an (ide) at the end
Like Chloride, Bromide, Nitride
Lets try some
NaCl
CaCl2
Li2Se
CaO
KCl
Naming Covalents
Some atoms need to share electrons. We don’t know how many electrons the atoms are sharing and it changes each time so we name them differently.
Same as ionics but we put prefixes in.
BF3 (this one has an exception)
S2F3
Prefixes are on your sheet
What are some of the physical properties of
Ionic Materials
What are some of the physical properties of covalent materials?
What are some of the physical properties of
metallically bound materials?
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