Name: Date:
Student Exploration: Polarity and Intermolecular Forces
Directions: Follow the instructions to go through the simulation. Respond to the questions and
prompts in the orange boxes.
Vocabulary: dipole, dipole-dipole force, dipole-induced dipole force, electronegativity, intermolecular...
Student Exploration: Polarity and Intermolecular Forces
Directions: Follow the instructions to go through the simulation. Respond to the questions and
prompts in the orange boxes.
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
1. A big bully is having a tug-of-war with a small child. There is a ball
attached to the middle of the rope.
Toward whom will the ball move?
The Child because of gravity so the ball will go
down instead of up looking at the picture.
2. Two equally strong kids are having a tug-of-war. What do you expect to happen to the ball in this situation?
Well because the rope wont go up or down depending on who is stronger. The rope will
be straight and the ball will not move at all.
Gizmo Warm-up
Just like in a tug-of-war, atoms that are bonded to one another pull on the electrons
they share. In the Polarity and Intermolecular Forces Gizmo, you will explore how
these opposing forces relate to bond types and the forces between molecules.
To begin, drag the O (oxygen) and H (hydrogen) atoms into the simulation area forming H2O. Turn on Show
valence electrons. A valence electron is found in the outermost energy level of the atom.
1. Click Play ( ). What do you notice?
The valence electrons from the Hydrogen mix up with the valence electrons of the
Oxygen.
2. Which atom seems to be pulling more on the hydrogen's one valence electron? How do you know?
The bottom electrons on the oxygen are the ones pulling on the hydrogen one
electrons.
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