Midterm 2 Review

Question 1

Which type of bonding involves the complete transfer of electrons from one atom to another

A) covalent bonding
B) metallic bonding
C) ionic bonding
D) hydrogen bonding

Answer 1

C) ionic bonding

Question 2

Lattice energy is best described as:
A) The energy needed to break a covalent bond in a molecule.
B) the energy released when gaseous ions form a solid ionic lattice
C) The energy required to form a metallic bond.
D) the energy required to ionize an atom

Answer 2

B) the energy released when gaseous ions form a solid ionic lattice

Question 3

Which factor does NOT increase the magnitude of lattice energy?

A) increasing the ionic charges
B) decreasing the ionic radii
C) increasing the distance between ions
D) having a highly ordered lattice structure

Answer 3

C) increasing the distance between ions

Question 4

In a Lewis structure, the formal charge on an atom is calculated by which of the following formulas
A) Valence electrons - (nonbonding electrons)
B) valence electrons - nonbonding electrons + 1/2 Bonding electrons
C) Valence electrons + (Nonbdoning electrons) - Bonding electrons
D) Bonding electrons - (Valence electrons + nonbonding electrons)

Answer 4

B) Valence electrons - (nonbonding electrons + 1/2 bonding electrons)