7B) Polarity and Solubility

Question 1

𝛿 denotes what in a bond?

Answer 1

A partial negative or partial positive charge

Question 2

What is the most electronegative element?

Answer 2

Fluoride

Question 3

Increases in electronegativity occur where?

Answer 3

As you move right and upwards on the periodic table.

Question 4

True or False: When using bonds as a solvent, it’s opposite polarity is more effective.

Answer 4

False. Like dissolves like.

Question 5

True or False: hydrogen bonding can only happen with hydrogen.

Answer 5

True.

Question 6

Ionic bonds are largely _____ soluble.

Answer 6

Water

Question 7

Water is a _____ bond.

Answer 7

Polar

Question 8

True or False: Polar bonds can contain only one element.

Answer 8

False, they require asymmetry for polarity, and the same element cannot have a dominant charge over itself.

Question 9

A molecule can have _____ bonds but the molecule itself will be _____.

Answer 9

Polar, Non-Polar

Question 10

Electronegativity has what effect on a molecule?

Answer 10

Shared electrons get pulled closer to the one with more powerful electronegativity.

Question 11

Hydrogen bonds are the _____ bonds.

Answer 11

Weakest

Question 12

Hydrogen bonds are a hydrogen compound and _____ bonds attracted to each other.

Answer 12

Polar

Question 13

Another term for hydrogen bonding is what?

Answer 13

Dipole-Dipole Interaction