Which of the following has the bonds correctly arranged in order of increasing polarity?
Be−F, Mg−F, N−F, O−F
O−F, N−F, Be−F, Mg−F
O−F, Be−F, Mg−F, N−F
N−F, Be−F, Mg−F, O−F
Mg−F, Be−F, N−F, O−F
Of the possible bonds between carbon atoms (single, double, and triple), __________.
a triple bond is longer than a single bond
a double bond is stronger than a triple bond
a single bond is stronger than a triple bond
a double bond is longer than a triple bond
a single bond is stronger than a double bond
In ionic bond formation, the lattice energy of ions ________ as the magnitude of the ion charges _______ and the radii __________.
increases; decrease; increase
increases; increase; increase
decreases; increase; increase
increases; increase; decrease
increases; decrease; decrease
Bond enthalpy is __________.
sometimes positive, sometimes negative
There are __________ valence electrons in the Lewis structure of HCN.
Of the molecules below, the bond in __________ is the most polar.
O−F, N−F, Be−F, Mg−F a double bond is... View the full answer