Vocabulary 1
Electrons that are free to move in metals
delocalized electrons
A positively charged ion
cation
A negatively charged ion
anion
True or False: In naming ionic compounds, the cation is named first.
True
Write the formula for Calcium Sulfide.
CaS
The force that holds two atoms together
chemical bond
Shows the simplest ratio of ions in an ionic compound
formula unit
A mixture formed when small atoms fill holes in a metallic crystal
interstitial alloy
True or False: In naming a monatomic anion, the suffix -ide is used.
True
Write the name of the ionic compound CaCl2
Calcium Chloride
A charged particle containing more than one atom
polyatomic ion
Represents the way electrons exist in metals
electron sea model
A charged particle containing only one atom
monatomic ion
Where does a subscript that indicates the number of atoms appear, relative to a chemical symbol in a formula?
A. to the lower left
B. to the upper left
C. to the lower right
D. to the upper right
C. to the lower right
Write the name of the ionic compound Na3N
Sodium Nitride
An ionic compound whose aqueous solution conducts electricity
electrolyte
The energy needed to separate the ions of an ionic compound
lattice energy
A mixture of elements that has metallic properties
alloy
What is the formula for magnesium hydrogen sulfite, which is made up of the ions Mg2+ and HSO3−?
A. MgHSO3
B. Mg2(HSO3)3
C. Mg2HSO3
D. Mg(HSO3)2
D. Mg(HSO3)2
Write the formula for Aluminum Chlorite.
Al(ClO2)3
The electrostatic force that holds oppositely charged particles together
ionic bond
A polyatomic ion composed of an element bonded to at least one oxygen atom
oxyanion
The attraction of a metallic cation for delocalized electrons
metallic bond
Which of the following is NOT a monatomic ion?
A. NH4+
B. Na+
C. Br-D. Mg2+
A. NH4+
What is the name for (NH4)2S?
Ammonium Sulfide