Covalent Bonding and Lewis Dot Diagrams Quiz

What is the primary characteristic of covalent bonding?

• Sharing of electrons between non-metals

• Sharing of electrons between metals

• Transfer of electrons between non-metals

• Transfer of electrons between metals

How can you visually distinguish between a covalent and an ionic bond in a Lewis Dot Diagram?

• Ionic bonds have no charges

• Covalent bonds have brackets

• Ionic bonds lack brackets

• Covalent bonds lack brackets and charges

What do valence electrons determine in an atom?

• The atom's color

• The atom's size

• The atom's mass

• The atom's bonding behavior

How many valence electrons does oxygen have?

• Two

• Four

• Six

• Eight

What is the maximum number of electrons that can occupy the outer energy level of an atom?

• Eight

• Four

• Two

• Six

In a Lewis Dot Diagram, how many valence electrons does sodium have?

• Two

• Four

• Three

• One

Why do atoms share electrons in covalent bonds?

• To decrease their size

• To become unstable

• To achieve a noble gas structure

• To increase their mass

What is the bond type in a hydrogen molecule (H2)?

• Hydrogen bond

• Ionic bond

• Metallic bond

• Covalent bond

How many valence electrons does chlorine have?

• Eight

• Five

• Seven

• Six

What is a lone pair in a Lewis Dot Diagram?

• A pair of shared electrons

• A pair of unshared electrons

• A single electron

• A pair of protons