Ionic Formulas and Names
The metal ions included in the ionic compound Li2S.
What are lithium and sulfur?
The two most common atoms that have incomplete octets and their required number of electrons for a full valence.
What are boron (6 electrons) and beryllium (4 electrons)?
The formula for the compound formed by calcium and nitrogen.
What is Ca3N2?
The number of electron domains around molecules with an a) trigonal planar shape and b) tetrahedral shape.
What is three (a) and four (b)?
The bond angle(s) for tetrahedral molecules.
What is 109 degrees?
The name of the ionic compound MgO.
The main rule for determining whether an atom can have an expanded valence.
What are only atoms larger than or equal to elements in the third row of the periodic table?
The formula for the compound formed when aluminum reacts with oxygen.
What is Al2O3?
The lewis structure for BCl3.
What is Cl —B—Cl
l
Cl
The bond angle(s) for trigonal bipyramidal molecules.
What is 90 degrees and 120 degrees?
The ionic formula for the compound Magnesium Nitrate.
What is Mg3N2?
The name for bonds in a resonance structure with three distinct bonds connected to the central atom and the name for bonds in a resonance structure with two distinct bonds.
What are 1.3 bonds and 1.5 bonds?
The most ionic compound out of the following:
- NaF
- CsF
- MgF2
- BaF2
What is CsF?
The lewis structure for NO2+.
What is...
- Nitrogen with two double bonds connected to oxygens (no lone pairs)
- Each oxygen with two lone pairs
- Structure wrapped in brackets with a "+" to indicate the positive ion
The name for all six shapes with the most number of bonded electrons in order from least number of electron domains to most number of electron domains.
What are linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral.
The name of the ionic compound PbF2.
What is Lead (II) Fluoride?
The name for bonding electrons in resonance structures.
Delocalized electrons
The structure of ionic compounds that allows them to be non-volatile, have high melting points, and have high boiling points.
What is lattice structure (strong ionic bonds)?
The lewis structure of NO3-.
What is...
- Nitrogen with two coordinate single conds and one double bond connecting to oxygens
- Two oxygens with 3 lone pairs (oxygens connected to coordinate bonds) and one oxygen with two lone pairs
- The molecule wrapped in brackets with a "-" to indicate the ion
The bond angle(s) for square pyramid molecules (6 electron domains).
What is 88 degrees?
The ionic formula for the compound lead (IV) oxide.
What is PbO2?
The formula for formal charge.
What is FC=V-N-B/2? (Formal charge = total original valence minus nonbonding electrons minus bonding electrons divided by two)
The 7 polyatomic ions that are required by the IB.
What are...
Ammonium (NH4+)
Hydroxide (OH-)
Nitrate (NO3-)
Bicarbonate (HCO3-)
Sulfate (SO42-)
Carbonate (CO32-)
Phosphate (PO43-)
The best description from the following options for the general trend in strength and length of different coordinate bonds.
1. Strength: triple> double > single, Length: single> double> triple
2. Strength: Triple> double> single, Length: Triple> double> single
3. Strength: Single> double> triple, Length: Triple> double> single
What is 1?
The shape name for molecules with bond angles of 117 degrees and 90 degrees.
What is see-saw/teeter-totter?