For which atom is it difficult to predict the most probable ionic charge using the periodic table?
A) Co
B) K
C) Al
D) Br
Correct Answer:
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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
Q78: If two atoms from the same element
Q79: The formula of magnesium nitride is
A)Mg₃N₂.
B)Mg₂N₃.
C)Mg₂N.
D)MgN.
Q80: Octet means
A)stable electrons.
B)valence electrons.
C)eight.
D)filled shell.
Q81: Which of the following elements has the
Q82: Hydrogen is a diatomic molecule,H₂.The bond holding
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