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Covalent bond
A bond formed from atoms sharing electrons.
Covalent compounds
molecules.
Ionic compounds
formula units.
Stability in covalent bonding
achieved through shared electrons in their valence shell.
Covalent compounds typically form between
nonmetals.
Diatomic elements
Elements in nature that are bonded to themselves
Bond strength
increases as the number of bonds between atoms increases.
Bond length
increases with atomic radius; shorter bonds are stronger.
Bond dissociation energy
The amount of energy required to break a specific covalent bond, always a positive value.
Breaking bonds is an
endothermic process.
The shorter the bond length, the _ the bond dissociation energy.
greater
bond breaking
requires energy input
Bond length decreases as the number of covalent bonds between atoms _.
increases.
Atomic radius effect
impacts bond length, larger radii = longer bond lengths.
Covalent bond formation
allows nonmetals to achieve a full valence shell by sharing electrons.
Bond dissociation energy is always a
positive value
