Which of the following elements has the highest electronegativity?
A) O
B) H
C) Cl
D) F
Correct Answer:
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Q81: Which of the following elements has the
Q82: Hydrogen is a diatomic molecule,H₂.The bond holding
Q83: Which substance has polar covalent bonds?
A)SO₂
B)N₂
C)F₂
D)BaO
Q84: Which of the following pairs of atoms
Q85: The most electronegative atom is
A)Cl.
B)F)
C)Na.
D)I)
Q87: When a fluorine atom reacts with a
Q88: In a polar covalent bond,electrons are
A)shared equally.
B)shared
Q89: Which substance has covalent bonds?
A)KF
B)NaF
C)MgI₂
D)CO₂
Q90: In a covalent bond,the shared electrons are
Q91: What is the name of the compound
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