A) CaSO4
B) NH4Cl
C) Mg(OH) 2
D) H2
E) none of the above
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A) one; one
B) one; two
C) two; one
D) two; two
E) some other combination of ions
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A) 2-
B) 1-
C) 2+
D) 4+
E) 6+
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A) CoCO3
B) CoCl3
C) Co2O3
D) CoPO4
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A) chlorine ion.
B) chloride ion.
C) chlorate ion.
D) chlorite ion.
E) diatomic chlorine.
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A) K
B) Ca
C) Mn
D) Br
E) Co
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A) 1A
B) 2A
C) 6A
D) 7A
E) none of the above
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A) 5-
B) 1-
C) 1+
D) 2+
E) 5+
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A) SO3 2-
B) SO4 2-
C) HSO4 2-
D) S 2-
E) none of the above
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A) one atom of phosphorus,one atom of oxygen,and three extra electrons.
B) four atoms of phosphorus,four atoms or oxygen,and three extra electrons.
C) one atom of phosphorus,four atoms of oxygen,and three electrons have been lost.
D) one atom of phosphorus,four atoms of oxygen,and three extra electrons.
E) four atoms of phosphorus,four atoms of oxygen,and three electrons have been lost.
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A) 4-
B) 2-
C) 1+
D) 2+
E) 4+
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A) FeO
B) FeO2
C) Fe2O2
D) Fe2O3
E) Fe3O2
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A) OHNH4
B) NH4NO3
C) NH4O
D) NH4OH
E) Al(OH) 3
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A) aluminum chloride
B) aluminum(III) chloride
C) aluminum carbide
D) aluminum trichloride
E) aluminum tricarbide
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A) three atoms of nitrogen,twelve atoms of hydrogen,one atom of phosphorus,four atoms of oxygen,and six extra electrons.
B) three atoms of nitrogen,twelve atoms of hydrogen,four atoms of phosphorus,and four atoms of oxygen.
C) one atom of nitrogen,twelve atoms of hydrogen,one atom of phosphorus,and four atoms of oxygen.
D) three atoms of nitrogen,seven atoms of hydrogen,one atom of phosphorus,and four atoms of oxygen.
E) three atoms of nitrogen,twelve atoms of hydrogen,one atom of phosphorus,and four atoms of oxygen.
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