The formula of aluminum oxide is
A) AlO.
B) AlO₂.
C) AlO₃.
D) Al₂O₃.
Correct Answer:
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Q66: Which of the following is a binary
Q67: The anion formed when oxygen gains two
Q68: The prefix which means seven is
A)hexa.
B)hepta.
C)octa.
D)tetra.
Q69: Covalent bonds generally form between
A)ions.
B)metals.
C)metals and nonmetals.
D)nonmetals.
Q70: For which atom is it difficult to
Q72: The anion formed when nitrogen gains three
Q73: In a molecule of nitrogen,N₂,the nitrogen atoms
Q74: The name of the compound S₂O₃ is
A)disulfur
Q75: Which is the electron dot structure for
Q76: The cation formed when a sodium atom
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