CHM Chapter 8 and 9 Vocabulary Practice

a mixture of elements that has metallic properties; most commonly forms when the elements are either similar in size (substitutional alloy) or the atoms of one element are much smaller than the atoms of the other (interstitial alloy)

• alloy

• electrolyte

• formula unit

• oxyacid

an ion that has a negative charge; forms when valence electrons are added to the outer energy level, giving the ion a stable electron configuration

• anion

• cation

• onion

• formula unit

an ion that has a positive charge; forms when valence electrons are removed, giving the ion a stable electron configuration

• cation

• anion

• onion

• formula unit

the force that holds two atoms together; many form by the attraction of a positive ion for a negative ion, or by the attraction of a positive nucleus for negative electrons

• chemical bond

• Jame's bond

• pi-bond

• covalent bond

the electrons involved in metallic bonding that are free to move easily from one atom to the next throughout the metal and are not attached to a particular atom

• electron sea model

• delocalized electrons

• formula units

• molecule

an ionic compound whose aqueous solution conducts an electric current

• electrolyte

• anion

• cation

• onion

proposes that all metal atoms in a metallic solid contribute their valence electrons to form a “sea” of electrons, and can explain properties of metallic solids such as malleability, conduction, and ductility

• electron sea model

• electrolyte

• molecule

• metallic ion

the simplest ratio of ions represented in an ionic compound

• formula unit

• anion

• cation

• monatomic ion

 the electrostatic force that holds oppositely charged particles together in an ionic compound

• ionic bond

• covalent bond

• polyatomic ion

• metallic bond

the energy required to separate one mole of the ions of an ionic compound, which is directly related to the size of the ions bonded and is also affected by the charge of the ions

• lattice energy

• ionic bond

• zero-point energy

• Resonance