C2 Bonding
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Which electrons are used in bonding?
Outer electrons
Draw a sodium ion.
Group 1 metals react with what to form an ionic compound?
Non-metal
What is the electronic configuration for a magnesium ion?
2, 8
What group in the periodic table has the same electronic configuration as ions?
0 Noble Gases
Describe how a calcium ion is formed.
Loses 2 outer electrons
What is the charge on a potassium ion?
+1
How is a chloride ion formed?
Gains 1 outer shell electron
What do group 7 elements react with to form an ionic compound?
Metals
What is the charge on an oxide ion?
O2-
What is an ion?
A charged particle
What is an ionic compound?
Metal & Non-metal chemically bonded
What charge will group 1 elements form?
+1
What charge will the halogens form?
-1
What is ionic bonding?
Electrostatic attraction between ion formed by the transfer of electrons
Ionic compounds have what type of boiling and melting points? Why?
High, because they are lattice structure so ionic bonds would have to be broken
When melted or dissolved in water ionic compounds conduct electricity, why?
Ions are free to move
What is the formula of methane?
CH4
What are represented by ?
Shared pair of electrons – covalent bond
What type of bonding is found in methane?
Covalent
Why do simple molecules evaporate easily?
Weak intermolecular forces don’t need a lot of energy to break
What group of elements don’t often bond because they are unreactive?
0 – Noble Gases
What type of bonding is found in compounds with metals and non-metals?
Ionic
What type of bonding is found in C2H6?
Covalent