Compare the properties of electrons, protons and neutrons.
09/11/2024
Science
9th
Structure of the atom
Write the electronic configuration of any one pair of isotopes and isobars.
09/11/2024
Science
9th
Structure of the atom
For the symbol H,D and T tabulate three sub-atomic particles found in each of them.
09/11/2024
Science
9th
Structure of the atom
With the help of Table 4.1, find out the mass number of oxygen and sulphur atom.
09/11/2024
Science
9th
Structure of the atom
If number of electrons in an atom is 8 and number of protons is also 8, then (i) what is the atomic number of the atom? and (ii) what is the charge on the atom?
09/11/2024
Science
9th
Cost of production and concept of revenue
What is opportunity cost ?
09/11/2024
Economics
11th (Commerce)
Structure of the atom
How will you find the valency of chlorine, sulphur and magnesium?
09/11/2024
Science
9th
Cost of production and concept of revenue
Give formula of marginal cost
09/11/2024
Economics
11th (Commerce)
Structure of the atom
If K and L shells of an atom are full, then what would be the total number of electrons in the atom?