Classification of Elements and Periodicity in Properties questions
826 published questions with worked solutions.
- The total number of electrons present in all the s-orbitals, all the p-orbitals, and all the d-orbitals of the caesium ion are...
- What is the atomic number of the element with an M^ 2+ ion having electronic configuration [ Ar ]3d^8?
- Among the following series of transition metal ions, the one in which all metal ions have a 3d^2 electronic configuration is (At....
- Electronic configuration of the deuterium atom is
- The atomic numbers of Ni and Cu are 28 and 29 respectively. The electronic configuration 1s^22s^22p^63s^23p^63d^ 10 represents
- The electron configuration of the oxide ion is most similar to the electron configuration of the **[UP SEE 2009]**
- The electronic configuration of the element with atomic number 24 is **[JCECE 2010]**
- Which of the following elements has the least number of electrons in its M-shell?
- Which among the following species have the same number of electrons in its outermost as well as penultimate shell?
- The highest number of unpaired electrons are in **[DCE 2007]**
- [ Ar ]3d^ 10 ,4s^1 electronic configuration belongs to
- The electronic configuration of an element is 1s^2,2s^2,2p^6,3s^2,3p^6,3d^5,4s^2. This represents its
- The electronic configuration of P in H_3PO_4 is
- Which is the correct outermost shell configuration of chromium (Z=24)?
- The electronic configuration for _ 26 Fe is:
- Which possesses an inert gas configuration?
- Which set has the same number of unpaired electrons in their ground state?
- The minimum energy required to eject an electron from an atom is called:
- Potassium ion is isoelectronic with the atom of:
- The electronic configuration 1s^2,2s^22p^6,3s^13p^1 correctly describes:
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