Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • Which one of the following sets of ions represents a collection of isoelectronic species ? (Given: Atomic Number : F: 9, Cl: 17<img alt="\mathrm{Na}=11, \mathrm{Mg}=12, \mathrm{Al}=13, \math

Which one of the following sets of ions represents a collection of isoelectronic species ?
(Given: Atomic Number : F: 9, Cl: 17\mathrm{Na}=11, \mathrm{Mg}=12, \mathrm{Al}=13, \mathrm{~K}=19, \mathrm{Ca}=20, \mathrm{Sc}=21)

Option: 1

\mathrm{Ba}^{2+}, \mathrm{Sr}^{2+}, \mathrm{K}^{+}, \mathrm{Ca}^{2+}


Option: 2

\mathrm{Li}^{+}, \mathrm{Na}^{+}, \mathrm{Mg}^{2+}, \mathrm{Ca}^{2+}


Option: 3

\mathrm{N}^{3-}, \mathrm{O}^{2-}, \mathrm{F}^{-}, \mathrm{S}^{2-}


Option: 4

\mathrm{K}^{+}, \mathrm{Cl}^{-}, \mathrm{Ca}^{2+}, \mathrm{Sc}^{3+}


Answers (1)

best_answer

\mathrm{K}^{+}=18
\mathrm{Cl}^{2}=18
\mathrm{Ca}^{+2}=18
\mathrm{Sc}^{+3}=18

Posted by

chirag

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2025 application form correction begins tomorrow at jeemain.nta.nic.in; deadline November 27
anam-khan

JEE aspirant in Kota commits suicide; 16th suicide since January
anam-khan

JEE Main 2025 Registration Live: NTA session 1 application last date today; official website, syllabus

Latest Question