Structure of Atom questions
799 published questions with worked solutions.
- What is the maximum number of electrons that can be accommodated in an orbital with m_l=+2?
- A particle of mass 100 g moving at a velocity of 100 cm s^ -1 has de Broglie wavelength of approximately 6.6 10^ -x cm. The value...
- An atom has 2 electrons in K shell, 8 electrons in L shell and 6 electrons in M shell. The number of electrons having l=0 is...
- Find the number of electrons having m_l=-1 for Zn^ 2+ ion.
- Sets of quantum numbers of six electrons are listed below. How many of the following is/are VALID? 1. n=3, l=2, m_l=+1, m_s=+1/2...
- The ground state energy of hydrogen atom is -13.6 eV. The energy of first excited state of Li^ 2+ ion in eV is __________.
- The number of electrons present in d subshell of manganese atom (Z=25) is ________.
- The de Broglie wavelength of an electron in a certain Bohr's orbit of Hydrogen atom is 6.65 Å. The principal quantum number of...
- The maximum number of electrons in an atom with the following quantum numbers is _______. n=4, l=3, m_l=-1, m_s=+1/2
- The maximum number of electrons in an atom with the following quantum numbers is ________. n=6, l=4, m_l=-3
- How many electrons could be held in the second shell of an atom if the spin quantum number (m_s) could have three values instead...
- Find the mass number of _ 16 S, if it is an isotone of _ 19 K ^ 39 .
- Assuming that the mass of an electron is 9 10^ -31 kg, and the value of Planck's constant is 6.62 10^ -34 J s, calculate the...
- The orbital angular momentum of the 4s orbital is ________.
- An electron is present in an orbital which has 2 radial nodes and 2 angular nodes. Find the sum of (n+l) for the orbital in which...
- In all, how many spherical nodes are there in the M-shell (n = 3) of an atom?
- If Aufbau rule is not followed, K-19 will be placed in
- Which of the following phenomena will occur when two atoms with the same (parallel) electron spin approach each other?
- In a multi-electron atom, the energy of a 2p-orbital is:
- The sum of protons, electrons and neutrons in the heaviest isotope of hydrogen is
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