What happens to form an ionic bond quizlet?
An ionic bond is the force of attraction that holds together oppositely charged ions. It forms when atoms of a metal transfer electrons to atoms of a nonmetal. When this happens, the atoms become oppositely charged ions. As a result, ionic compounds are brittle solids with high melting and boiling points.
What two factors affect chemical bonds?
Terms in this set (6)
- Strength of covalent bond. Dependent on the bond dissociation energy.
- Stronger covalent bonds. Have shorter bond length.
- Extent of atomic orbital overlap. Dependent on the size of the atom.
- Number of bonds between atoms.
- Polarity of bond.
- Presence of neighboring lone pair electrons.
What determines bond dissociation energy?
A high bond dissociation energy means that the bond (and molecule) is of low energy and stable. Bond energies depend on the number of bonds between atoms. Even though π bonds are weaker than σ bonds, a double bond, which consists of a σ and π is bond, is stronger than a single bond because there are two bonds.
Which has more bond dissociation energy?
Out of the given four choices, C-C bond has the highest bond dissociation energy.
Which has the greatest bond dissociation energy?
Which element-element bond has the highest bond dissociation energy ? Solution : C-C bond dissociation energy is 355 kj mol-1 which is the highest among the carbon family members.
What is lowest bond dissociation energy?
∴ Lowest bond energy is of I2 (F2 has unexpectedly low bond dissociation energy due to its small size and high electron-electron repulsion).
Which has the lowest bond dissociation energy?
Larger the size of atom, lesser will be attractive forces between atoms and lesser will be dissociation energy. The size of I atom (in HI) is largest so the dissociation energy is lowest for HI among given choices.
What is the bond energy of c2?
Common Bond Energies (D
| Bond | D (kJ/mol) | r (pm) |
|---|---|---|
| C-C | 346 | 154 |
| C=C | 602 | 134 |
| C≡C | 835 | 120 |
| C-Si | 318 | 185 |