Calcium reacts with chloride to form
A) CaCl.
B) CaCl₂.
C) Ca₂Cl.
D) Ca₂Cl₃.
Correct Answer:
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Q46: When magnesium combines with oxygen,the reaction involves
Q47: Potassium reacts with iodine to form
A)KI.
B)K₂I.
C)KI₂.
D)K₂I₃.
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
Q52: When magnesium reacts with chlorine,the reaction involves
Q53: Which substance has ionic bonds?
A)O₂
B)BaO
C)H₂O
D)OF₂
Q54: Which atom is least likely to form
Q55: An oxide ion is
A)O⁺.
B)O²⁺.
C)O⁻.
D)O²⁻.
Q56: Oxygen forms monatomic ions with a charge
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