The electrons of the same orbitals can be distinguished by
The electrons of the same orbitals can be distinguished by
The electrons of the same orbitals can be distinguished by Read More »
January 2022
The electronic configuration of silver atom in ground state is
The electronic configuration of silver atom in ground state is
The electronic configuration of silver atom in ground state is Read More »
In the ground state, an element has 13 electrons in its M-shell. The element is_____
In the ground state, an element has 13 electrons in its M-shell. The element is_____
In the ground state, an element has 13 electrons in its M-shell. The element is_____ Read More »
The ionization enthalpy of hydrogen atom is 1.312 × 106 J mol-1. The energy required to excite the electron in the atom from n = 1 to n = 2 is
The ionization enthalpy of hydrogen atom is 1.312 × 106 J mol-1. The energy required to excite the electron in the atom from n = 1 to n = 2 is
Which one of the following sets of ions represents a collection of isoelectronic species? (Atomic nos.: F = 9, Cl = 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21)
Which one of the following sets of ions represents a collection of isoelectronic species? (Atomic nos.: F = 9, Cl = 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21)
The increasing order (lowest first) for the values of e/m (charge/mass) for
The increasing order (lowest first) for the values of e/m (charge/mass) for
The increasing order (lowest first) for the values of e/m (charge/mass) for Read More »
or a given principal level n = 4, the energy of its subshells is in the order
or a given principal level n = 4, the energy of its subshells is in the order
or a given principal level n = 4, the energy of its subshells is in the order Read More »
Which of the following statements in relation to the hydrogen atom is correct?
Which of the following statements in relation to the hydrogen atom is correct?
Which of the following statements in relation to the hydrogen atom is correct? Read More »
Which of the following element has least number of electrons in its M-shell?
Which of the following element has least number of electrons in its M-shell?
Which of the following element has least number of electrons in its M-shell? Read More »