AP Chemistry Thou Shalt Not Forget

Front

What is a metallic bond?

Back

A metallic bond is a type of chemical bond that occurs between metal atoms, characterized by a 'sea of electrons' that are free to move, allowing metals to conduct electricity and heat.

Front

True or False: Metallic bonds always conduct electricity.

Back

True

Front

What happens to the voltage (E° cell) of a battery when Q increases?

Back

The voltage (E° cell) of the battery goes down.

Front

What rule should you obey first when drawing the Lewis Dot Structure?

Back

The octet rule.

Front

What is the pH of a neutral solution at 25°C?

Back

7

Front

One mole of an ideal gas equals how many liters at STP?

Back

22.4 Liters.

Front

Define the octet rule.

Back

The octet rule states that atoms tend to gain, lose, or share electrons in order to have eight electrons in their valence shell, achieving a stable electron configuration.

Front

What is the significance of STP in chemistry?

Back

STP stands for Standard Temperature and Pressure, which is defined as 0°C (273.15 K) and 1 atm pressure, used as a reference point for gas calculations.

Front

What is the relationship between Q and E° cell in electrochemistry?

Back

As the reaction quotient (Q) increases, the cell potential (E° cell) decreases, indicating that the reaction is moving towards equilibrium.

Front

What is the formula for calculating pH?

Back

pH = -log[H⁺], where [H⁺] is the concentration of hydrogen ions in solution.