Chemical Bonds
A transfer or lose/gain of electrons
Ionic Bond
If an atom has 1-4 electrons what is most likely to happen to the electrons?
Lose them
What is the Lewis dot structure for Oxygen(O)?
Show drawing should have 6 dots around O
What does the groups on the periodic table tell us?
The number of valence electrons
A force that bonds two atoms together by sharing of electrons.
Covalent Bond
If an atom has more than 4 electrons what will most likely happen?
Gain electrons
What is the Lewis Dot Structure of Lithium(Li)?
1 dot around Li
What does the periods on the periodic table tell us?
How many shells each atom has
The unequal sharing of electrons between two atoms.
Polar Covalent Bond
What is the oxidation number of Calcium (Ca)?
+2
What is the LDS of Neon(Ne)?
8 dots around Ne
What is the octet rule?
Atoms will combine to form compounds in order to reach eight electrons in their outer energy level.
The equal sharing of electrons between two atoms
Non-Polar Covalent Bonds
What is the oxidation number of Nitrogen(N)?
-3
What is the LDS of Boron(B)?
3 dots around B
What is a catalyst?
Speeds up a chemical reaction
A force of attraction between a positively charged metal ion and the electrons in a metal.
Metallic Bonds
If we are losing electrons would the oxidation number be negative or positive?
Positive
What is the LDS for Bromine(Br)?
7 dots around Br
What is a chemical change?
Changing the overall chemical composition of a substance.