Chemistry Jeopardy:

pH Scale:

100

What is the pH of a neutral substance?

7

200

Is a solution with a pH of 3 more acidic or basic? 

Acidic

300

How many more times acidic is the pH of 4 than the pH of 7? (Hint. Think of the logarithmic scale.)

1000 times

Acid Rain:

100

What is the type of pollution that causes acid rain?

Air pollution

200

What human activity is responsible for causing acid rain?

Burning fossil fuels.

300

What are both of the gases that cause acid rain?

Sulphur Dioxide (SO₂) 

Nitrogen Oxides (NO_x)

Polyatomic Ions:

100

What does "polyatomic" mean?

Made of more than 1 atom.

200

What is the chemical formula for the polyatomic ion, "carbonate"?

CO₃^2-

300

What is the polyatomic ion in nitric acid?

Nitrate (NO₃^-)

Naming Acids:

100

What is the name of HCl?

Hydrochloric acid

200

Why do acids that have polyatomic ions in them not contain "hydro-"?

They contain oxygen.

300

What is the name of H₂CO₃?

Carbonic acid

Periodic Trends:

100

Does atomic radius increase or decrease as you move left to right across a period?

Decreases

200

As you move down a group, does ionization energy increase or decrease?

Decrease

300

What element has a larger atomic radius: Sulphur (S) or Arsenic (As)

Arsenic