Ionic Compounds: Transition elements

39) The charge on the manganese in the salt MnCl3 is __________.

• A)   1+
• B)   1-
• C)   2+
• D)   2-
• E)   3+

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NGSS.HS-PS1-1

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40) Cr and Cl form an ionic compound whose formula is CrCl3. This compound is _______.

• A)   chromium chlorine
• B)   chromium(III) chloride
• C)   monochromium trichloride
• D)   chromium(III) trichloride
• E)   chromic trichloride

41) The correct formula of iron(III) bromide is __________.

• A)   FeBr₂

• B)   FeBr₃

• C)   FeBr
• D)   Fe₃Br₃

• E)   Fe₃Br

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

42) Which one of the following compounds is chromium(III) oxide?

• A)   Cr₂O₃

• B)   CrO₃

• C)   Cr₃O₂

• D)   Cr₃O

• E)   Cr₂O₄

43) Which one of the following compounds is copper(I) chloride?

• A)   CuCl
• B)   CuCl2
• C)   Cu2Cl
• D)   Cu2Cl3
• E)   Cu3Cl2

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NGSS.HS-PS1-2

44) The correct name for MgF2 is __________.

• A)   manganese difluoride
• B)   magnesium difluoride
• C)   monomagnesium difluoride
• D)   manganese bifluoride
• E)   magnesium fluoride

45) Which metal is capable of forming more than one cation?

• A)   Li
• B)   Ba
• C)   Sr
• D)   Al
• E)   Sn

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NGSS.HS-PS1-1

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46) The formula for a salt is XBr. The X-ion in this salt has 46 electrons. The metal X is ____.*

• A)   Ag
• B)   Pd
• C)   Cd
• D)   Cu
• E)   Cs

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NGSS.HS-PS1-1

47) The charge on the iron ion in the salt Fe2O3 is __________.

• A)   1+
• B)   2+
• C)   3+
• D)   5-
• E)   6-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

48) Which metal is not required to have its charge specified in the names of ionic compounds it forms?

• A)   Mn
• B)   Fe
• C)   Cu
• D)   Ca
• E)   Pb