Oxygen forms monatomic ions with a charge of
A) 2+.
B) 3+.
C) 1-.
D) 2-.
Correct Answer:
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Q51: Calcium reacts with chloride to form
A)CaCl.
B)CaCl₂.
C)Ca₂Cl.
D)Ca₂Cl₃.
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⁻.
Q57: When calcium reacts with chlorine,the reaction involves
Q58: Which pair of atoms would form an
Q59: A iodide ion is
A)I⁺.
B)I²⁺.
C)I⁻.
D)I²⁻.
Q60: Which substance has ionic bonds?
A)K₂S
B)SO₃
C)CI₄
D)N₂
Q61: How many electrons are there in a
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