Study Guide for CHEM 101 Test 2
Chapters 7, 8 & 9
- For each of the compounds below, draw the Lewis structure.
- PBr3
- CCl4
- CO2
- BF3
- PF5
- SF4
- SeCl6
- I3-
- XeF4
- ICl3
- ClO3-
- Properly name the following compounds.
- MnSO4
- AlPO4
- P2O3
- K3PO4
- KClO3
- Sc2S3
- N2O5
- Ca(NO3)2
- CoNO3
- FeSO4
- Draw Lewis structures for these more complex molecules:
- hydrazine H2N-NH2
- ethylene H2C=CH2
- propylene (CH3)CH=CH2
- Define:
- valence electrons
- bonding pair of electrons
- lone pair or non-bonding pair (electrons)
- electronegativity
- first ionization energy
- electronegativity
- quantum number
- n
- l
- ml
- ms
- Pauli exculsion priciple
- Hund's rule
- periodicity
- period
- group or family
- isoelectronic
- paramagnetic
- diamagnetic
- Predict the products for the reaction between the paired elements below.
- O and Li
- P and S
- S and F
- Al and F
- Mg and N
- What are the electron configurations for the elments below? Follow the Aufbau (building-up) principle.
- Mn
- Se
- Pr
- Pb
- As
- Sr
- In
- He
- Mg
- Sc
- Provide the quantum numbers for the last electron placed in each of the elements in problem above.
- Tell if each element in the problem two problems above is diamagnetic or paramagnetic.
- Rationalize your way to the proper electron configurations for these exceptions to the Aufbau (building-up) principle
- Cr
- Gd
- Au
- Pd
- Mo
- What is the trend for electronegativity?
- What is the trend for first ionization energy?
- What is the trend for electron affinity?
- Given the formula for the compound below in each example, predict the formula for the compound asked for
- If the formula for the oxide of aluminum is Al2O3, what would the formula for the oxide of indium, In, be?
- If the formula for the sulfide of beryllium is BeS, what would the formula for the sulfide of strontium, Sr, be?
- If the formula for the nitride of sodium is Na3N, what would the formula for the phosphide (P3-) of sodium be?
- If the formula for the fluoride of of zinc is ZnF2, what would the formula for the fluoride of cadmium, Cd, be?
- If the formula for the oxide of titanium is TiO2, what would the formula for the oxide of zirconium, Zr, be?
- Are the compounds below ionic or covalent?
- CH4
- Na2S
- SO3
- Na2SO3
- MgH2
- P2S3
- BF3
- AlBr3
- SeO2
- CO2
- Determine the formal oxidation state of the underlined element in the compounds and ions below:
- ClO4-
- P2O3
- Fe2(SO4)3
- PPF5
- ClO2-
- SnS2
- PO43-
- ClO-
- Li3N
- CO32-
- Label all the columns and parts of the periodic table on the blank periodic table below: