Exam 3 Jeopardy

Bonds

100

What type of bond will form between Barium and Sulfur? 

Ionic Bond 

200

What kind of compound is triphosphorus hexachloride? 

Covalent Compound

300

Is the following compound ionic or covalent? If it is covalent, is it polar or non-polar? 

CHCl₃

Covalent; Polar 

400

Bond length & bond strength are _____________.

(*Hint, I am asking for its relationship) 

Inversly proportional 

500

Which ionic compound will have the strongest coulombic force or attraction from the compounds below?

1) MgI2 

2)MgF2

3) MgCl2 

4) MgBr2 

5) NaCl 

2) MgF2

Lewis Structures

100

Give three examples of elements that exceed the octet rule and three examples of elements that are incomplete (concerning the octet rule). 

Exceeding - Elements that are in periods 3,4,5,& 6 that are also in groups 3,4,5,6,7,& 8

(P, As, Xe, Si, & S) 

Incomplete - Elements that have less than 4 ve to begin with (elements in group 2 & 3) 

(B & Be) 

200

True or False; and explain why. 

Resonance stabilizes molecules. 

True 

300

Draw the Lewis Structure for XeO_3. 

I will tell you if it is right or wrong. 

400

Draw the Lewis structure for CH₃OH. 

I will tell you if it is right or wrong. 

500

Draw the Lewis structure for H₃O⁺.

I will tell you if it is wrong or right. 

Formal Charge

100

What is the formula to calculate formal charge?

FC = Ve- [Bonded e/2 +nonbonded e]

200

In the polyatomic ion Cyanide, what is the overall charge? 

Cyanide = -1

300

What is the overall formal charge of CO2?

FC = 0

400

What is the formal charge of nitrogen in hydrogen cyanide (HCN)? 

N = 0 formal charge 

500

Provide  5 formal charges for the following compound: CO3 2-

1) Formal charge of Carbon

2) Formal Charge of 1st Oxygen 

3) Formal Charge of 2nd Oxygen 

4) Formal Charge of 3rd Oxygen 

5) Overall Formal Charge 

1) C = 0 

2) O = 0

3) O = 0 

4) O = -1 

5) Overall = -2

Naming Compounds/ Formulas

100

Prefixes such as di- and tetra- are used while naming _______ compounds to denote the____________. 

Covalent 

Amount of an element

200

Name the following compound: 

N₂O₃

Dinitrogen Trioxide 

300

The oxyacid that is derived from SO₃^2- would be known as .....

Sulfurous Acid 

400

Name the following compound:

PbO

Lead (II) Oxide 

500

Provide the formula for Beryllium hydroxide. 

Be(OH)₂

Geometry/ Hybridization

100

Would the electron pair geometry of H₂O be the same as the molecular geometry? 

Yes or No; and explain why. 

No because the electron pair geometry would have a bent shape and the molecular geometry would have a linear shape. 

200

What is the shape of the molecular geometry of SF₄?

Seesaw shape 

300

If a molecule has a steric number of 4+2, what would the electron geometry and molecular geometry be? Make sure you draw it and label it with the official name. 

Electron - Octahedral 

Molecular - Square Planar

400

Based on the Lewis structure of BF₅, give the electron pair geometry and molecular geometry. 

Electron = Octahedral 

Molecular = Square pyramidal 

500

What is the hybridization of phosphorus pentachloride? 

sp³d