Lewis symbol for C is
When compounds are formed from atoms there occurs a rearrangement of
Molecule
Nuclei
Electrons
Protons
According to modern concept, oxidation is
Sharing of electrons
Gain of electrons
Loss of electrons
Transfer of electrons
An example of a polar covalent bond is
KCl
NaCl
CCl4
HCl
Polar bond is formed when one of the bonded atoms has more
Electropositivity
Electronegativity
Electroaffinity
Electron enthalpy
The type of bond in H-Cl is
Ionic bond
Covalent bond
Coordinate bond
Vanderwaal's force
The type of bond in NaCl is
Co-ordinate bond
All molecules exert weak attraction upon one another. These attractions are called
Vander Waal's force
In CaF2, the type of bond is
Vanderwaals force
Among the following non -polar molecule is
H2
Mgo