Assessment on Solutions, Acids, and Bases

(True or False) Protons have a positive charge, electrons have a negative charge, and neutrons do not have a charge.

• True
• False

On the modern periodic table elements are ordered by increasing ______________.

• atomic mass
• mass number
• number of neutrons
• atomic number

(Select all that apply) Elements can be classified as which of the following?

• Metals
• Nonmetals
• Metalloids
• Spiritual beings
• Option 5

The Oxygen family are found in group 6A. How many valence electrons do elements in this family have?

• 4 valence electrons
• 8 valence electrons
• 2 valence electrons
• 6 valence electrons

The Noble gases are found in group 8A. How many valence electrons do elements in this family have?

• 1 valence electron
• 8 valence electrons
• 7 valence electrons
• 2 valence electrons

(Select all that apply) Metals have which of the following properties?

• Lustrous (shiny)
• Good conductors of heat and electricity
• Generally solid at room temperature (except for Mercury)
• Malleable and ductile
• Brittle in solid form

Which of the following best describes mass number?

• Mass number = Neutrons + Protons
• Mass number = Neutrons - Protons
• Mass number = Neutrons + Electrons
• Mass number = Protons + Electrons

When reacting sulfur (S) and chlorine (Cl) in a beaker these elements will form which type of bond?

• Covalent
• Ionic
• Metallic
• Transitional

When reacting calcium (Ca) and bromine (Br) in a beaker these elements will form which type of bond?

• Covalent
• Ionic
• Metallic
• Transitional

(Select all that apply) Which of the following are anions?

• Cl-
• S 2-
• O 3-
• Ca 2+
• K +