Multiple Choice
Which of the following elements has the highest electronegativity?
A) O
B) H
C) Cl
D) F
Correct Answer:
Verified
Correct Answer:
Verified
Q77: The most electronegative atom is<br>A)Cl.<br>B)F)<br>C)Na.<br>D)I)
Q78: A central atom that has tetrahedral geometry
Q79: Magnesium reacts with oxygen to form<br>A)MgO.<br>B)Mg₂O.<br>C)MgO₂.<br>D)Mg₃O₂.
Q80: In a polar covalent bond,electrons are<br>A)shared equally.<br>B)shared
Q81: How many electrons are there in a
Q83: Which substance has nonpolar covalent bonds?<br>A)H₂<br>B)NO₂<br>C)NaBr<br>D)CO
Q84: Which substance has covalent bonds?<br>A)KF<br>B)NaF<br>C)MgI₂<br>D)CO₂
Q85: Calcium reacts with chloride to form<br>A)CaCl.<br>B)CaCl₂.<br>C)Ca₂Cl.<br>D)Ca₂Cl₃.
Q86: A sodium ion,Na⁺,has the same electron configuration
Q87: The number of electrons in a chloride