Chemistry Final Exam Review

The atomic number or the number of protons is used to identify an element's identity.

• True
• False

Predict the predominant type of bonding of CCl₄

• covalent bonding
• metallic bonding
• ionic bonding

Which of the following terms describes a change that produces matter with a different composition than that of the original matter?

• physical property
• chemical property
• physical change
• chemical change

What is the atomic number of an ion with 5 protons, 6 neutrons, and a charge of 3+?

• 5
• 11
• 6
• 4.5

Which of the following represents the approximate atomic mass of a silver atom?

• 47 u
• 108 u
• 61 u
• 107 u

Which of the following represents a correct chemical formula for copper (II) nitrate?

• Cu2NO3
• Cu(NO3)2
• Cu3N2
• CuN

The periodic table consists of columns arranged vertically known as

• periods
• rows
• groups
• elements

Which of the following categories of elements are placed separately as two series at the bottom of the Periodic Table?

• Lanthanides and Actinides
• Alkali metals
• Halogens
• Alkaline earth metals

With few exceptions, in a Lewis structure, how many electrons should each central atom have?

• 4
• 8
• 6
• 2

When balancing the chemical equation Fe2 O3 + Al → Al2O3 + Fe, what coefficient would you place in front of Fe?

• 2
• 3
• 4
• 6