GEOLOGY

EARTH SCIENCE

GEOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which TWO factors are most important in determining bond strength and bond length?
A
polarity
B
The bond order
C
The number of valence electrons
D
The atomic radius
Explanation: 

Detailed explanation-1: -Which two factors are most important in determining bond strength and bond length? The factors that directly affect the bond length are bond order and atomic radius.

Detailed explanation-2: -The length of the bond is determined by the number of bonded electrons (the bond order). The higher the bond order, the stronger the pull between the two atoms and the shorter the bond length. Generally, the length of the bond between two atoms is approximately the sum of the covalent radii of the two atoms.

Detailed explanation-3: -Explanation. Bond length is related to bond order: when more electrons participate in bond formation the bond is shorter. Bond length is also inversely related to bond strength and the bond dissociation energy: all other factors being equal, a stronger bond will be shorter.

Detailed explanation-4: -The bond length increases as the atom’s size increases, and the bond dissociation energy decreases, resulting in a decrease in bond strength. The bond dissociation energy of a bond between two identical atoms increases as the bond multiplicity increases. More items

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