Structure of Atom questions
799 published questions with worked solutions.
- The no. of unpaired electrons in ferrous ions (At. no. of Fe =26 ) is
- In the transition elements, the incoming electron occupies (n-1) d orbital in preference to _____
- The maximum number of unpaired electrons is present in [MHTCET 2009]
- The following quantum no's are possible for how many orbital n = 3, = 2, m = +2
- If a _ a ^ b X species emits firstly a positron, then two and two and at last one is also after intially it fainally convets into...
- The frequency of radiation emitted when the electron falls from n = 4 to n = 1 in a hydrogen atom will be (Given ionization...
- Given: The mass of electron is 9.11 10^ -31 kg . Planck constant is 6.626 10^ -34 Js , the uncertainty involved in the...
- The orientation of an atomic orbital is governed by:-
- Consider the following sets of quantum numbers: (a) n = 3, l = 0, m = 0, s = + 1 2 (b) n = 2, l = 2, m = 1, s = + 1 2 (c) n = 4,...
- Maximum number of electrons in a subshell of an atom is determined by the following:
- Which of the following is not permissible arrangement of electrons in an atom?
- According to the Bohr Theory, which of the following transitions in the hydrogen atom will give rise to the least energetic...
- The total number of atomic orbitals in fourth energy level of an atom is :
- If n=6, the correct sequence for filling of electrons will be :
- Maximum number of electrons in a subshell with l = 3 and n = 4 is:
- The value of Planck's constant is 6.63 10^ -34 Js. The speed of light is 3 10^ 17 nm s^ -1 . Which value is closest to the...
- What is the maximum numbers of electrons that can be associated with the following set of quantum numbers ? n = 3, l = 1 and m =...
- Based on equation E = -2.178 10^ -18 J ( Z^2 n^2 ), certain conclusions are written. Which of them is not correct ?
- What is the maximum number of orbitals that can be identified with the following quantum numbers? n = 3, l = 1, m_l = 0
- The angular momentum of electron in 'd' orbital is equal to :-
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