Chemistry - PERIODIC TABLE Question with Solution | TestHub

ChemistryPERIODIC TABLEMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasysingle choice

Which among the following species have the same number of electrons in its outermost as well as penultimate shell

Answer:

Solution:

$_{20} Ca = 2, 8, 8, 2$

${Ca}^{2 +} = 2, 8, 8$

Hence, ${Ca}^{2 +}$ has $8$ electrons each in outermost and penultimate shell.

Stream:NTA_ABHYASSubject:ChemistryTopic:PERIODIC TABLESubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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