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#Question id: 20153
#XL - P Chemistry
The maximum number of electrons in a subshell is given by the expression
TLS Online TPP Program
#Question id: 20154
#XL - P Chemistry
If r is the radius of first orbit, the radius of nth orbit of the H atom will be
TLS Online TPP Program
#Question id: 20155
#XL - P Chemistry
The energy of hydrogen atom in its ground state is -13·6 eV. The energy of the level corresponding to the quantum number n = 5 is
TLS Online TPP Program
#Question id: 20156
#XL - P Chemistry
At 200°C hydrogen molecules have velocity 105 cm sec–1. The de-Broglie wavelength in this case is approximately
TLS Online TPP Program
#Question id: 20157
#XL - P Chemistry
The number of electrons in 3d shell for element with atomic number 26 is
TLS Online TPP Program
#Question id: 20158
#XL - P Chemistry
In a set of degenerate orbitals the electrons distribute themselves to retain similar spins as far as possible. This statement is attributed to