Periodics
EDDs
Selfish Bonds
Unselfish Bonds
Reminders
100
The number of electrons in the lowest energy level
What is 2 electrons?
100
The electron dot diagram for sodium.
Na = 1
100
Sodium is more likely to lose/gain how many electrons.
What is lose and 1?
100
When an electron is attracted to the nuclei of two atoms at the same time
What is a covalent bond?
100
the combination of chemical symbols and possibly numbers
What is the chemical formula?
200
The group that has two valence electrons?
What is group 2?
200
The electron dot diagram for antimony.
Sb = 5
200
Chlorine is more likely to lose/gain how many electrons.
What is gain and 1 electron?
200
the overall charge of a particle that is covalently bonded
What is neutral?
200
The chemical formula for 2 atoms of carbon and 4 atoms of hydrogen
What is C2H4?
300
The group that has a full outer shell
What are the noble gases?
300
The electron dot diagram for thallium.
Tl = 3
300
definition of an ionic bond.
What is the attraction between a cation and an anion?
300
The particle formed when atoms share electrons
What is a molecule?
300
the formula for formal charge
What is valence electrons - number of bonds - number of lone electrons?
400
the number of electrons in bromine's outer shell
What is 7?
400
The reaction (draw with electron dot diagrams) for sodium + chlorine
Na = 1 and Cl = 7
400
Range of electronegativity difference for an ionic bond?
What is a over 1.7?
400
When a atom shares two pairs of electrons with another atom
What is a double bond?
400
definition of a polyatomic ion.
What is a group of covalently bonded atoms that have an overall charge on them.
500
The reason we don't know the exact number of valence electrons in groups "d" and "f"
What is because they have expanded electron orbitals?
500
The reaction (draw with electron dot diagrams) for magnesium and fluorine
Mg = 2 and F=1 (so 2xF)
500
The amount of energy released when separated ions in a gas come together to form a crystalline solid.
What is an lattice energy?
500
The type of bond between 2 nitrogen atoms
What is a triple bond?
500
the total number of electrons in a molecule of carbon dioxide
What is 16 electrons?
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