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प्रश्न
Name the following:
An element having valency 'zero'
उत्तर १
Helium
उत्तर २
Element He, Ne, Ar i.e. Noble gases have ‘zero’ valency.
संबंधित प्रश्न
Separate the following compounds into three categories - ionic, polar and covalent compounds; N2, NH4Cl, NH3, NO, NH4NO3, NCl3.
What do you understand by redox reactions? Explain oxidation and reduction in terms of loss or gain of electrons.
Name an element which does not contain neutron.
Explain
Octet rule for the formation of sodium chloride
Give the orbital diagram of the following:
Hydrogen chloride
State the type of bonding in the following molecules.
Hydrogen chloride
Draw the geometric atomic structure of the three isotopes of hydrogen and the two isotopes of chlorine.
Draw the electron distribution diagram for the formation of Carbon di oxide (CO2 ) molecule.
The valency of noble gases is ______.
Choose the odd one out and write the reason:
