Structure of Atom questions
799 published questions with worked solutions.
- Maximum number of electrons in a subshell of an atom is determined by the following:
- One energy difference between the states n=2 and n=3 is E eV, in hydrogen atom. The ionisation potential of H atom is:
- Which represents the correct set-up of the four quantum numbers of a 4s-electron?
- The maximum number of electrons that can have principal quantum number n=3 and spin quantum number m_s = -1/2 is [JEE Advanced...
- In an atom, the total number of electrons having quantum numbers n=4, |m_l|=1 and m_s = - 12 is [JEE Advanced 2014]
- How many electrons can fit in the orbital for which n=3 and l=1? [NEET-II 2016]
- Which of the following pairs of d-orbitals will have electron density along the axes? [NEET-II 2016]
- Two electrons occupying the same orbital are distinguished by [NEET-I 2016]
- The angular momentum of electron in 'd' orbital is equal to [NEET 2015]
- What is the maximum number of orbitals that can be identified with the following quantum numbers? n=3, l=1, m_l=0 [NEET 2014]
- What is the maximum number of electrons that can be associated with the following set of quantum numbers? n=3, l=1 and m=-1 [NEET...
- Based on equation E = -2.178 10^ -18 J ( Z^2 n^2 ), certain conclusions are written. Which of them is not correct? [NEET 2013]
- The value of Planck's constant is 6.63 10^ -34 J s . The speed of light is 3 10^ 17 nm s ^ -1 . Which value is closest to the...
- According to law of photochemical equivalence the energy absorbed (in ergs/mole) is given as (h = 6.62 10^ -27 ergs , c = 3 10^...
- According to the Bohr theory, which of the following transitions in the hydrogen atom will give rise to the least energetic...
- In hydrogen atom, energy of first excited state is -3.4 eV. Then find out K.E. of same orbit of hydrogen atom [AIPMT 2002]
- The following quantum numbers are possible for how many orbitals: n=3, l=2, m=+2? [AIPMT 2001]
- Who modified Bohr's theory by introducing elliptical orbits for electron path? [AIPMT 1999]
- The positions of both, an electron and a helium atom is known within 1.0 nm. Further the momentum of the electron is known within...
- In a Bohr's model of an atom, when an electron jumps from n=1 to n=3, how much energy will be emitted or absorbed? [AIPMT 1996]
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