Mg(OH)2
What is Magnesium hydroxide?
Type of bonds found in a Lewis Structure
What are covalent bonds?
How to determine electron pair geometry and molecular structure
1. Draw the Lewis Structure
2. Count regions of electron density
3. Identify e- pair geometry based on # of regions
4. Use # of LPs to determine molecular structure
Number of lone pairs and bond angle for a linear molecule
What is zero and 180?
The difference between empirical and molecular formula
What is that empirical is the smallest whole number ratio of atoms, and molecular is the exact numbers of atoms that make up a compound?
NaHCO3
What is sodium bicarbonate?
The tendency of main group atoms to form enough bonds to obtain eight valence electrons
What is the octet rule?
How to determine symmetry/polarity based on shape
1. Draw Lewis Structure
2. Determine molecular structure
3. Compare electronegativities
4. Determine overall dipole moment
Shape and bond angle for 4 regions with 0 lone pairs
What is tetrahedral, and 109?
Molarity
What is the number of moles of solute in one liter of solution?
Sodium Sulfite
What is Na2SO3?
Rules associated with drawing a Lewis Structure
What are:
1. Determine v.e.'s
2. spooky skeleton structure
3. distribute remaining e-'s on terminal atoms
4. If any left over, distribute on central atom
5. Rearrange / form multiple bonds if necessary?
Number of sigma and pi bonds in a triple bond
What is one sigma and two pi bonds?
The shape and bond angle of a molecule with 3 regions of electron density and one lone pair
What is bent/angular, and <120?
Dilution and its equation
What is a process in which the concentration of a solution i s lessened by the addition of asolvent (usually water), and C1V1 = C2V2
Mercury (I) Oxide
What is Hg2O?
Resonance
What is an average of possible distributions of electron density spread along a series of Lewis Structures?
VSEPR Theory
What is a theory used to predict bond angles in a molecule based on positioning regions of high electron density as far apart as possible to minimize electrostatic repulsion?
Number of sets of lone pairs on a bent molecule with 4 regions of electron density
What is two?
Mass percentage and its equation
What is the ratio of a component's mass to a solution's mass, expressed as a percentage, and [mass of component / mass of solution ] x 100%?
Sulfurous Acid
What is H2SO3?
A molecule that contains at least one main group element that has more than eight electrons in its valence shell
What is a hypervalent molecule?
What is a description of bonding that involves atomic orbitals overlapping to form sigma or pi bonds, within which pairs of electrons are shared?
6 regions of electron density, 0 lone pairs
What is octahedral?
Volume percentage and its equation
What is the concentration of a solution formed by dissolving a liquid solute in a liquid solvent, and [volume solute / volume solution ] x 100%?