Remember Unit 1?
Nomenclature
All About Polarity
Getting in Shape (Molecule Shape)
Intermolecular Forces (IMFs)
Lewis Structures
100
109 of these equals one meter.
What is a nanometer?
100
The chemical formula for sulfur trioxide.
What is SO3?
100
The relative ability of an atom to attract electrons to itself.
What is electronegativity?
100
VSEPR stands for this theory used to determine molecular shape.
What is Valence Shell Electron Pair Repulsion Theory?
100
Without polar bonds, a compound is only capable of this type of intermolecular force.
What are London dispersion forces?
100
The number of valence electrons for the N3- ion.
What is 8?
200
The three main subatomic particles.
What are protons, neutrons, and electrons?
200
The name for the compound CrO3
What is chromium(VI) oxide?
200
A difference in electronegativity between 0.4 and 1.7 indicates this type of covalent bond.
What is polar covalent?
200
The number of domains, including lone electron pairs and bonding electron pairs, determines this.
What is electron pair geometry?
200
The presence of H bonded directly to a strongly electronegative atom like N, O, or F makes a molecule capable of this intermolecular force.
What is hydrogen bonding?
200
H, B, Be, Al, and elements in the third period and below share this distinction.
What are exceptions to the Octet Rule?
300
DAILY DOUBLE!
In nuclide notation shown below, the letter Z represents this.
What is atomic number, or the number of protons?
300
CO32- ion has this name
What is the carbonate ion?
300
A bond is considered nonpolar if the electronegativities of participating atoms is less than this value.
What is 0.4?
300
The shape of this molecule, SF6
What is octahedral?
300
For dipole-dipole forces to occur, molecules must possess this.
What is a net dipole/permanent dipole/be polar molecules?
300
In this situation, atoms are arranged in the same order, but electron pairs are arranged differently.
What is resonance/resonance structures?
400
When describing a wave, these two characteristics are inversely related.
What are frequency and wavelength?
400
The chemical formula for magnesium sulfate heptahydrate is this.
What is MgSO4 . 7H2O?
400
A polar molecule is identified by these two features.
What is a polar bond and a net dipole moment (or shape that is not symmetric, uneven distribution of the polar bonds)?
400
This thirst-quenching substance is a common example of bent molecule geometry.
What is water?
400
Considering the strengths of interactions between molecules, ion-dipole forces hold this distinction.
What are the STRONGEST interactions?
400
DAILY DOUBLE!
The formal charge of Selenium in this ion
What is +1?
500
Einstein first identified this phenomenon where electromagnetic energy exceeding minimum frequency can strike a metal surface and cause a current to flow.
What is the photoelectric effect?
500
An aqueous solution of hydrogen iodide, HI, is named this.
What is hydroiodic acid?
500
PF3 is a good example.
What is a polar molecule?
500
DAILY DOUBLE!
Steric number 2, steric number 5 (with 3 lone pairs), and steric number 6 (with 4 lone pairs) have this shape in common.
What is linear?
500
Two physical properties influenced by the strength of IMFs present.
What are physical state, solubility, melting point, boiling point, viscosity?
(Any two are acceptable.)
500
The number of lone pairs and the number of bonding pairs in this molecule, HBr.
What is one bonding pair and 3 lone pairs?