Name the following compounds:
NH4Cl
Ammonium Chloride
Lithium Iodide
LiI
A positively charged ion is called an anion
False
For an atom of a main group element, the number of valence electrons is equal to
A) number of core electrons
B) roman numerals
C) group number
B) roman numerals
Metals tend to __________ electrons and nonmetals tend to __________ electrons
A) gain,lose
B) lose,gain
C) win, lose all
B) lose,gain
GaAs
gallium arsenide
Silver Bromide
AgBr
A sodium atom tends to lose one electron when it reacts
True
How many electrons does the Al3+ ion possess?
A) 16
B) 10
C) 6
B) 10
Anions tend to have a __________ charge and cations tend to have a __________ charge
A) positive, negative
B) negative, positive
C) neutral, neutral
B) negative, positive
Be(HCO3)2
Beryllium Bicarbonate
Cobalt (III) Oxide
Co2O3
The ending -ide is used to designate an anion
True
The charge on the manganese in the salt MnCl3 is
A) 2+
B) 2-
C) 3+
C) 3+
Anions tend to be __________ and cations tend to be __________.
A) metals, nonmetals
B) nonmetals, metals
C) metalloids, metalloids
B) nonmetals, metals
Cu3P
Copper (I) Phosphide
Vanadium (V) Sulfide
V2S5
A Cl- ion is an example of a cation
False
Which metal is capable of forming more than one cation?
A) Sn
B) Sr
C) Al
A) Sn
When a metal and a nonmetal react, the __________ tends to lose electrons and the __________ tends to gain electrons.
A) metal, metal
B) nonmetal, nonmetal
C) metal, nonmetal
C) metal, nonmetal
Mn2(SO3)3
Manganese (III) Sulfite
Titanium (II) Acetate
Ti(C2H3O2)2
Nonmetals form a stable outer electron configuration by losing electrons and becoming anions
False
Laughing gas is commonly named as nitrous oxide, N2O. What is the systematic name for this compound?
A) Dinitrogen monoxide
B) Strontium nitrite
C) Ammonium nitrate
A) Dinitrogen monoxide
__________ typically form ions with a 2+ charge.
A) Alkaline earth metals
B) Halogens
C) Chalcogens
C) Chalcogens