IB Chemistry 2.1 and 2.2 (HL and SL)

Ionic Formulas and Names

100

The metal ions included in the ionic compound Li₂S.

What are lithium and sulfur?

200

The name of the ionic compound MgO.

What is magnesium oxide?

300

The ionic formula for the compound Magnesium Nitrate.

What is Mg₃N₂?

400

The name of the ionic compound PbF₂.

What is Lead (II) Fluoride?

500

The ionic formula for the compound lead (IV) oxide.

What is PbO₂?

Covalent Bonding (HL)

100

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)?

200

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?

300

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?

400

The name for bonding electrons in resonance structures.

Delocalized electrons

500

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)

Ionic Bonding and Ionic Compounds

100

The formula for the compound formed by calcium and nitrogen.

What is Ca₃N₂?

200

The formula for the compound formed when aluminum reacts with oxygen. 

What is Al₂O₃?

300

The most ionic compound out of the following:

- NaF

- CsF

- MgF₂

- BaF₂

What is CsF?

400

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)?

500

The 7 polyatomic ions that are required by the IB.

What are...

Ammonium (NH₄⁺)

Hydroxide (OH^-)

Nitrate (NO₃^-)

Bicarbonate (HCO₃^-)

Sulfate (SO₄^2-)

Carbonate (CO₃^2-)

Phosphate (PO₄^3-)

Covalent Bonding (Paper for notes required)

100

The number of electron domains around molecules with an a) trigonal planar shape and b) tetrahedral shape. 

What is three (a) and four (b)?

200

The lewis structure for BCl₃.

What is Cl —B—Cl

                   l

                  Cl 

300

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

400

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

500

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?

VSEPR Shapes and Bond Angles

100

The bond angle(s) for tetrahedral molecules. 

What is 109 degrees?

200

The bond angle(s) for trigonal bipyramidal molecules. 

What is 90 degrees and 120 degrees?

300

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.

400

The bond angle(s) for square pyramid molecules (6 electron domains). 

What is 88 degrees?

500

The shape name for molecules with bond angles of 117 degrees and 90 degrees.

What is see-saw/teeter-totter?