Chapter 6 Jeopardy

Molecular Geometry (Shapes)

100

The shape of BF3

What is trigonal planar?

200

The shape of HCN.

What is linear?

300

The shape of SO3

What is trigonal planar?

400

The shape of SeO₄^2-.

What is tetrahedral

500

The shape of BrF₅

What is square pyramidal?

Lewis Structures

100

The two elements that can have incomplete octets

Be

B

200

The number of lone pairs on the central atom in SF₂

What is 2?

300

The number of lone pairs in PH₃.

What is 1?

400

Draw the Lewis structure for C₂H₆

 *See board*

500

The number of single, double, and triple bonds in the molecule COCl₂.

Single: 2

Double: 1

Triple: 0

Bond Angles

100

The angle between atoms in a linear molecule.

What is 180?

200

The angle between atoms in a tetrahedral molecule.

What is 109.5?

300

The angle between atoms in the molecule NH₃.

What is 107.5?

400

The angle between atoms in the molecule SO₂.

What is less than 120?

500

The angle between atoms in IBr₃

What is 90 (approximately)?

Polarity

100

Look at your polarity chart. What makes a certain shape polar?

Different attachments

200

Which five shapes are always polar?

Bent

Trigonal Pyramidal

Seesaw

T-Shaped

Square Pyramidal

300

Is the Lewis structure for SiS₂ polar or nonpolar?

Polar!

400

The Lewis structure for I₃^1- has three iodine (I) atoms in a row connected with single bonds. The central I has three sets of lone pair. Is this molecule polar?

NO

Linear - Nonpolar

500

Weighing around eight pounds, this is the human body's largest organ?

Skin

Ionic Bonds

100

The electron dot diagram for Be.

*See board*

(Be, dot at 12 o'clock, dot at 3 o'clock)

200

Show the electron transfer from K to S

Two K's give up one dot each to S to fill it's shell. 

300

What ions result from the transfer of electrons from Al to O?

Al³⁺ and O^2-

400

What is the formula of the ionic compound that forms between Rb and Se?

Rb₂Se

500

How many barium, Ba, are needed to fill phophorus, P, shell?

3