Unit 2: Molecular and Ionic Compound Structure and Properties

Question 1

Bonding

Answer 1

The transfer or sharing of electrons

Question 2

Ionic Bond

Answer 2

Formed through the transfer of electrons

Question 3

Covalent Bond

Answer 3

Formed through the sharing of electrons

Question 4

Lattice Energy

Answer 4

Another name for bond energy in ionic bonds

Question 5

Examples of Ionic Solids

Answer 5

NaCl, NaBr, KF

Question 6

Examples of Metallic Solids

Answer 6

Mg, Na, Al

Question 7

Sea of Electrons Model

Answer 7

Electrons in a metal do not belong to a specific atom and are very mobile

Question 8

Interstitial Alloy

Answer 8

Metal atoms with two vastly different radii combine (i.e. steel)

Question 9

Substitutional Alloy

Answer 9

Forms between atoms of similar radii (i.e. brass)

Question 10

Molecule

Answer 10

Two or more atoms bonded together by sharing valence electrons

Question 11

Examples of Molecular Solids

Answer 11

H2O, N2, CO2

Question 12

Examples of Network Covalent Solids

Answer 12

Diamond (C), Graphite (C), Quartz (SiO2)

Question 13

Atoms That Are Stable With Incomplete Octets

Answer 13

Hydrogen (2 electrons), Helium (2 electrons, but doesn’t form bonds), Boron (6 electrons)

Question 14

Atoms That Are Stable With Expanded Octets

Answer 14

Elements with d subshells (8-12 electrons)

Question 15

Hybridization with 2 Electron Pairs

Answer 15

sp

Question 16

Hybridization with 3 Electron Pairs

Answer 16

sp2

Question 17

Hybridization with 4 Electron Pairs

Answer 17

sp3