Ionic Bonding
Covalent Bonding
Lewis Dot Structures
Molecular Geometry
Chemical Naming
100
What is an ion?
A negatively or positively charged atom
100
How many electrons are shared in a single bond?
2 electrons
100
What do the dots in the Lewis dot structure represent? (Be as specific as possible)
Valence electrons
100
What is the only shape that can be formed by a molecule made up of only 2 atoms?
Linear
100
Write the chemical name for N2F5
Dinitrogen Pentafluoride
200
What happens to valence electrons when an ionic bond is formed?
They are transferred from a metal to a non-metal.
200
Describe what happens to valence electrons when a covalent bond is formed.
Electrons are shared between two non-metal atoms.
200
Draw the Lewis Dot Structure for Carbon
. . C . .
200
What is the molecular geometry of CH4?
Tetrahedral
200
Write the chemical formula for Tetraphosphorus Decaoxide
P4O10
300
What is the difference between a cation and an anion?
Cations are positively charged and anions are negatively charged
300
What is a sea of electrons?
This is a metallic bond formed where all the valence shell electrons are shared equally by the metal atoms.
300
Draw the Lewis Dot Structure for Ca+2
What is [ Ca:] +2
300
Draw the Lewis Dot Structure for a molecule that is polar.
.. .. H-O-H
300
Write the chemical name for FeP
Iron (III) Phosphide
400
Which element has a higher electronegativity; Cesium or Potassium?
Potassium
400
What is a polar covalent bond?
When electrons are shared unequally because of a difference in electronegativity.
400
Draw the Lewis Dot Structure for H2S
.. H-S-H ..
400
What is the molecular geometry of H2O?
Bent
400
Write the chemical formula for Copper (II) Nitrite
Cu(NO2)2
500
Describe the conditions required for ionic compounds to conduct electricity.
They must be melted or dissolved in water.
500
What is the octet rule?
When forming compounds, every atom (except for Hydrogen) should end up with 8 electrons in its valence shell.
500
Draw the Lewis Dot Structure for SiO2
O=Si=O
500
What does VSEPR stand for?
Valence Shell Electron Pair Repulsion
500
Write the chemical name for NH4CH3COO
Ammonium Acetate
M
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u