Covalent bonds involve sharing of electrons. (This contrasts with ionic bonding where electrons are transferred).
The bonds may be single (one shared pair), double (two shared pairs), or triple, (three shared pairs).
The electrons in a covalent bond may not be shared equally. This is called a polar covalent bond. It odccurs when there is a difference in elctronegativity between the atoms then the more electronegtaive atom has a bigger share. The more electronegative atom has a small negative charge build up and the less electronegative atom a small positive.
Usually the electrons are "localised" to the two atoms, however in some compounds such as benzene with alternating double bonds (in the valence bond model) there is resonance and the pairs of electrons in the double bond are spread over the ring.
Not covalent, hydrogen-bonds.
After covalent bonds are formed, they are still referred to as covalent bonds. Covalent bonds involve the sharing of electrons between atoms to achieve stability.
Ionic bonds, Covalent bonds, Hydrogen bonds, Polar Covalent bonds, Non-Polar Covalent bonds, and Metallic bonds.
No, covalent bonds do not have a charge.
Covalent.
H2O I'm sure is all I need to say.
The two main types of chemical bonds are ionic and covalent.
The two types of covalent bonds are polar covalent bonds and nonpolar covalent bonds. Polar covalent bonds occur when the atoms share electrons unequally, leading to a slight charge separation. Nonpolar covalent bonds form when atoms share electrons equally.
P4: Nonpolar covalent bonds. H2S: Polar covalent bonds. NO2: Polar covalent bonds. S2Cl2: Nonpolar covalent bonds.
Covalent bonds do not "dissolve" in methanol. Covalent bonds are intramolecular bonds formed by sharing of electrons between atoms within a molecule. Methanol can form hydrogen bonds with certain compounds, but it does not dissolve covalent bonds.
Ions are formed in the case of ionic bonds and not covalent bonds.
When electrons are shared, covalent bonds are formed. Covalent bonds are of two types, polar and non-polar. A complex type of covalent bonds are co-ordinate covalent bonds or dative bonds.