Covalent Bonding

What does covalent bonding involve?

• Transfer of electrons from a metal to a non-metal atom

• Transfer of electrons from a non-metal to a metal atom

• Sharing of electrons between two metal atoms

• Sharing of electrons between two non-metal atoms

What is the chemical formula of the following covalent substance?

• CO₂

• CH₄

• CO

• CH₃

What kind of covalent bond is shown in the dot-and-cross diagram below, for carbon dioxide?

• Single

• Double

• Triple

• Quadruple

What kind of bond is formed when three pairs of electrons are shared between two atoms?

• Single

• Double

• Triple

• Quadruple

Which substance is being shown in the dot-and-cross diagram?

• Water

• Methane

• Nitrogen

• Ammonia

Carbon has the electron configuration 2,4. How many covalent bonds will it form?

• 1

• 2

• 3

• 4

Oxygen has the electron configuration 2,6. How many covalent bonds will it form?

• 1

• 2

• 3

• 4

What is a diatomic element?

• a metal bonded with a nonmetal
• 2 or more nonmetals bonded together
• 2 or more metals bonded together
• 2 atoms of the same element bonded together

Which formula is for phosphorus trichloride?

• KCl₃

• PCl₃

• K₃Cl

• P₃Cl

The chemical formula of sulfur hexabromide is

• SBr₆
• S₆Br
• S(VI)Br
• S6Br