Magnesium reacts with oxygen to form
A) MgO.
B) Mg₂O.
C) MgO₂.
D) Mg₃O₂.
Correct Answer:
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Q38: Which is the electron dot structure of
Q39: Which is the electron dot structure of
Q40: An anion is
A)an element that has lost
Q41: In reactions to form ionic compounds,nonmetals generally
A)lose
Q42: Which atom is least likely to form
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
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⁻.
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