Exploring Bonding in Chemistry

Which of the following is a characteristic of covalent bonding?

• High melting and boiling points

• Sharing of electron pairs between atoms

• Formation of ions

• Conductivity in solid state

What is the primary factor that determines whether a bond will be ionic or covalent?

• The size of the atoms

• The number of valence electrons

• The difference in electronegativity between the atoms

• The atomic mass of the elements

Which of the following properties is typical of ionic compounds?

• Low melting points

• Poor electrical conductivity in liquid state

• Solubility in nonpolar solvents

• High melting and boiling points

Explain why metallic bonds allow metals to conduct electricity.

• Metals have high melting points.

• Metals have free-moving valence electrons.

• Metals form rigid lattice structures.

• Metals have low density.

Which of the following best describes the behavior of electrons in a metallic bond?

• Electrons are shared between two specific atoms.

• Electrons are transferred from one atom to another.

• Electrons are delocalized and move freely among atoms.

• Electrons are tightly bound to individual atoms.

• Linear

• Trigonal planar

• Tetrahedral

• Bent

• Two single bonds

• One double bond and one single bond

• Two double bonds

• One triple bond and one single bond

Which molecule has a polar covalent bond?

• Water is a nonpolar solvent.

• Water has a high boiling point.

Which of the following elements is most likely to form a covalent bond with chlorine?

• Sodium

• Magnesium

• Carbon

• Potassium