Chemical Substances: Elements and Their Properties Quiz

Which group of elements typically has 1-3 electrons in their outer energy level?

• Noble Gases
• Metals
• Nonmetals
• Metalloids

What characteristic makes metals excellent conductors of electricity?

• High melting points
• Loosely bound valence electrons
• Brittle structure
• Dull appearance

Which nonmetal is unique in being able to conduct electricity?

• Oxygen
• Carbon
• Graphite
• Sulfur

What is the primary reason noble gases are non-reactive?

• Low melting points
• Complete outer electron shell
• High conductivity
• Metallic properties

Which physical property describes a material's ability to be hammered or pressed into different shapes?

• Ductility
• Luster
• Malleability
• Conductivity

What is the primary difference between an element and a compound?

• Number of electrons
• Number of atoms
• Type of atoms
• Chemical bonds

Which metal is unique in being liquid at room temperature?

• Sodium
• Aluminum
• Mercury
• Iron

What determines the properties of a metallic bond?

• Number of valence electrons
• Physical state
• Melting point
• Luster

Why are nonmetals typically poor conductors of heat and electricity?

• High melting points
• Tightly bound electrons
• Metallic structure
• Shiny appearance

What is a crystal lattice in metals?

• A random arrangement of atoms
• A repeating three-dimensional arrangement of atoms
• A liquid-like structure
• An electron cloud