Lab: Ionic and Covalent Bonds — Unit test

Question 1

What is a three-dimensional structure that represents the alternating pattern of particles in a crystal?

Revolt · Accepted Answer

a crystal lattice

Question 2

Which is a property of covalent compounds?

Revolt · Accepted Answer

They have a low boiling point.

Question 3

Based on its location in the periodic table, what can most likely be predicted about sulfur?

Revolt · Accepted Answer

It has six valence electrons available for bonding.

Question 4

Which of the following could form an ionic bond with an anion?

Revolt · Accepted Answer

Hg22+

Question 5

Which of the following do Lewis structures help us understand?

Revolt · Accepted Answer

the number of electrons that are involved in the bonding of the molecule

Question 6

Which compound most likely contains polar covalent bonds?

Revolt · Accepted Answer

NF3

Question 7

Which best describes why NH4+ can form an ionic bond with Cl–?

Revolt · Accepted Answer

Its positive charge is attracted to the negative charge of Cl–.

Question 8

Which describes a step in the process of forming an ionic bond?

Revolt · Accepted Answer

A metal atom loses electrons and becomes a positive ion.

Lab: Ionic and Covalent Bonds — Unit test Answers