This is when parentheses are written out with a roman numeral enclosed, such as (II).
a) when naming an ionic compound
b) when naming a metal cation with a predictable charge
c) when naming a metal cation that can have more than 1 possible charge
d) when naming a nonmetal anion with a predictable charge
e) when naming a nonmetal anion that can have more than 1 possible charge
When is c) naming a metal cation that can have more than 1 possible charge
Predicted charge for a magnesium ion
a) +1
b) +2
c) -1
d) -2
e) +3
What is b) +2
The chemical formula for carbon tetrachloride
a) CCl
b) C4Cl
c) C4Cl4
d) CCl4
e) CCl3
What is d) CCl4
The name of the compound NaCl
a) sodium chloride
b) monosodium monochloride
c) sodium chlorite
d) sodium chloride
e) sodium chlorate
What is a) sodium chloride
Ammonium is a _______ ion with a charge of ______.
a) polyatomic, +1
b) polyatomic, +2
c) anion, +1
d) anion, +2
e) anion, +3
What is a) polyatomic, +1
This is the formula for iron(II) sulfide.
a) FeS
b) FeSe
c) Fe2Se
d) Fe2S2
e) FeS2
What is a) FeS
Predicted charge for an ion of chlorine
a) +1
b) +2
c) -1
d) -2
e) +2
What is c) -1
The name for the compound N2O5
a) nitrogen oxide
b) nitrogen pentoxide
c) pentanitrogen dioxide
d) nitrogen(II) oxide(V)
e) dinitrogen pentoxide
What is e) dinitrogen pentoxide
The name for the ionic compound Na3N
a) sodium nitrite
b) sodium nitrate
c) sodium nitride
d) trisodium mononitrogen
e) sodium nitrogen
What is c) sodium nitride
This is the ionic compound that forms when potassium ions interacts with carbonate ions (formula of carbonate is CO32-).
a) KCO3
b) K(CO3)2
c) K2CO3
d) K2(CO3)2
e) K3CO3
What is c) K2CO3
The name of the compound PbCl2
a) Lead chloride
b) Lead chlorine
c) Lead(II) chlorine
d) Dilead monocholride
e) Lead(II) chloride
What is e) lead(II) chloride
Predicted charge for an ion of the element Al
a) +1
b) +2
c) +3
d) -4
e) -5
What is c) +3
The name for the compound IF7
a) iodine heptafluoride
b) iodide heptafluoride
c) iodate heptafluoride
d) monoiodine heptafluoride
e) iodine fluoride
What is a) iodine heptafluoride
What is the formula for aluminum fluoride?
a) AlF
b) Al2F
c) Al3F
d) AlF2
e) AlF3
What is e) AlF3
a) sodium phosphorous
b) trisodium phosphorous
c) sodium phosphide
d) sodium phosphate
e) sodium carbonate
What is d) sodium phosphate
The name of SnF2
a) Tin(II) fluoride
b) Tin(IV) fluorine
c) Tin difluoride
d) Tin(IV) fluoride
e) Tin(IV) difluoride
What is a) tin(II) fluoride
Predicted charge for an ion of phosphorous
a) +3
b) +2
c) -1
d) -2
e) -3
What is e) -3
The formula for oxygen difluoride
a) OF
b) O2F2
c) O2F
d) OF2
e) OF3
What is d) OF2
When sulfur forms ionic compounds, it acts as the _______ with a charge of _____.
a) anion, -1
b) anion, -2
c) anion, -3
d) cation, +1
e) cation, +2
The formula for a meat additive, sodium nitrate.
a) NaN
b) NaN2
c) NaNO3
d) NaNO2
e) Na(NO3)2
What is c) NaNO3
The formula for cobalt oxide
a) CoO
b) Co2O3
c) Co3O2
d) Co2O
e) More information is needed to determine
What is e) more information is needed to determine
Copper ions can have either a +1 or +2 charge. To form these ions, copper must undergo these changes.
a) gain 1 electron in both cases.
b) lose 2 electrons in both cases.
c) gain 1 or 2 electrons, respectively.
d) lose 1 or 2 electrons, respectively
e) more information is needed
What is d) lose 1 or 2 electrons, respectively.
The name for CH4
a) carbon hexahydride
b) carbon tetrahydride
c) carbon hydride (IV)
d) methane
e) both b and d
What is e) both b and d
When the ionic compound between magnesium and fluorine forms, this change must happen
a) a covalent bond must form
b) one magnesium atom must donate one electron to one fluorine atom
c) two magnesium atoms must donate two electrons to one fluorine atom
d) one magnesium atom must donate two electrons to two fluorine atoms
e) two magnesium atoms must donate two electrons to two fluorine atoms
What is d) one magnesium atom must donate two electrons to two fluorine atoms
The formula for nickel (IV) chlorate.
a) NiCl4
b) NiClO3
c) NiClO4
d) Ni(ClO3)3
e) Ni(ClO3)4
What is e) Ni(ClO3)4