Potassium reacts with iodine to form
A) KI.
B) K₂I.
C) KI₂.
D) K₂I₃.
Correct Answer:
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Q42: Which atom is least likely to form
Q43: Magnesium reacts with oxygen to form
A)MgO.
B)Mg₂O.
C)MgO₂.
D)Mg₃O₂.
Q44: A sodium ion is
A)Na⁺.
B)Na²⁺.
C)Na⁻.
D)Na²⁻.
Q45: Chlorine forms monatomic ions with a charge
Q46: When magnesium combines with oxygen,the reaction involves
Q48: A nitride ion is
A)N⁺.
B)N³⁺.
C)N²⁻.
D)N³⁻.
Q49: Which substance has ionic bonds?
A)Br₂
B)NH₃
C)H₂O
D)LiI
Q50: In reactions to form ionic compounds,metals generally
A)lose
Q51: Calcium reacts with chloride to form
A)CaCl.
B)CaCl₂.
C)Ca₂Cl.
D)Ca₂Cl₃.
Q52: When magnesium reacts with chlorine,the reaction involves
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