Classification of Elements and Periodicity in Properties questions
826 published questions with worked solutions.
- What is the number of electrons present in d-subshell if its atomic number is 27 and oxidation state is +2?
- Which among the following elements has highest electronegativity?
- Which from following is a correct decreasing order of ionization enthalpies of different elements?
- Which of the following species is NOT isoelectronic with neon?
- What group element from following achieves noble gas configuration after gaining two electrons
- Which element from following has completely filled f orbital in observed and expected electronic configuration?
- Which among the following elements exhibits diagonal relationship with Li ?
- Which among the following elements do not have any electron in f-sub shell either in expected or observed state electronic...
- What is total number of unpaired electrons present in observed electronic configuration of Cr (Z = 24) ?
- Identify the element having general electronic configuration ns^1 from following
- Which of the following element in +1 oxidation state has largest ionic radius ?
- Which element from following has largest atomic size as compared to other three ?
- Which element from following has lowest ionization enthalpy ( IE_1 ) ?
- Identify the element with smallest ionic radius in +3 oxidation state from following
- What is the number of unpaired electrons present in Sc^ 3+ and Zn^ 2+ ions respectively?
- Identify the correct decreasing order of atomic radii from following
- Which element from following possesses half filled d-orbital either in expected or in observed electronic configuration?
- Which element from following exhibits diagonal relationship with Mg?
- Identify the elements of alkali metals and alkaline earth metals respectively having highest 1st ionization enthalpy.
- What is the atomic number of an element having ns^1 electronic configuration and belonging to 3d transition series
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