Naming / VSEPR / Polarity Test Review

IMF's

100

What type of IMF's would be found in HCl?

What is dispersion and dipole-dipole

200

What IMF is the weakest?

What is london forces or dispersion

300

What molecule would have stronger IMF's: H₂O or CCl₄?

What is H₂O?

400

What IMF's are present in C₂H₆? 

What is dispersion 

500

Rank the following compounds from weakest intermolecular forces to strongest. 

Br₂       NH₃     HBr         

What is Br_{2 ,} HBr,  NH₃     

Ionic or Covalent?

100

High melting points

What is ionic compound

200

Zero conductivity as a pure substance

What is both (ionic and covalent)

300

Low conductivity as a solution

What is covalent 

400

Acidic compounds (lower pH) tend to be:

What is covalent?

500

Non-flammable

What is ionic?

VSEPR Theory

100

This is the visible shape of H2O

What is Bent?

200

What would be the visible shape of a molecule that has 2 total bonded atoms and unshared pairs on the central atom and 1 unshared pair?

What is linear

300

This is the visible shape of CCl4

What is Tetrahedral?

400

What is the difference between the electron geometry and visible geometry of a molecule?

What are lone pair electrons are included in the electron geometry

500

This is the definition of the VSEPR theory

What is The repulsion between lone pair and bonded valence electrons determines the three dimensional shape of a molecule?

Polarity

100

CS2

What is Non-polar?

200

OCl2

What is Polar?

300

PCl3

What is Polar?

400

CO2

What is Non-polar?

500

These are the two things that determine the polarity of a molecule

What are visible shape and electronegativity (polar bonds)?

Misc

100

This is the range in electronegativity required to make a bond polar

What is greater than 0.4-2.0?

200

This is the molecular formula of methane

What is CH4?

300

What type of bond would be between HCl?

What is polar

400

Draw the molecule diagram for CO₂ and include dipole arrows (if needed)

Teacher will check :)

500

Explain why paint thinner will dissolve paint using the concept of polarity. 

What is both have the same polarity (both are non-polar) and like dissolves like.