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Ionic Bonds
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Chemical Bond
Force that holds two atoms together
Ionization Energy
How easy an atom loses it's electron
Electron Affinity
How much attraction the atom has for it's electron
Chemical reactivity is directly related to ________
Valence electrons
Why do elements react with each other?
So they can acquire a stable 8 electron structure in their outermost layer
Which group of elements don't react much? Why?
Noble Gases
Because they are already chemically stable because they have a full outermost shell
Cation
A positively charged ion
Anion
A negatively charge ion
What suffix is added to an anion when writing the formula?
-ide
Ionic Bond
Force that holds oppositely charged particles together in an ionic compound
Ionic Compounds
Compounds that contain ionic bonds
Most ionic bonds are _______
Binary
Meaning they contain only two different elements
What are binary ionic compounds made of?
A metallic cation and a nonmetallic anion
Ionic Crystal
Structure of alternating cations and anions
Large numbers of ions together in ratio according to how many electrons needed to be transfered
Vary in shape according to the size and relative numbers of the ions bonded
Crystal Lattice
3-D geometric arrangement of particles
Each anion is surrounded by cations and visa versa
Name 7 properties of ionic compounds
High melting and boiling point
Hard
Rigid
Brittle
Bad conductors of electricity in solid state
Conductors of electricity in aqueous state
Endothermic
When energy is absorbed during a chemical reaction
Exothermic
When energy is released during a chemical reaction
Formation of ionic compounds from positive and negative ions
Which has more energy: individual ions or oppositely charged ions that are bonded?
Individual ions have more energy because ions that are bonded are more stable
How much energy is needed to break an ionic compound?
If the amount of energy released during bond formation is added to the ionic compound, the bond breaks
Lattice Energy
The energy required to separate one mole of the ions of an ionic compound
What are two factors that lattice energy is related to?
Size
: smaller ions have higher lattice energy
Charge of the ion
: ionic bond formed by ions with a larger positive or negative charges have higher lattice energy
Formula Unit
The simplest ratio of the ions represented in an ionic compound
Monatomic ion
A one-atom ion
Oxidation number (state)
Is the charge of a monatomic ion
Polyatomic ions
Ions made up of more than one atom
Author
sherin6
ID
61641
Card Set
Ionic Bonds
Description
Chapter 8
Updated
2011-01-24T19:24:25Z
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