Which of the following species are isoelectronic?
`O^(2-)`

Which of the following is isoelectronic pair?

Which of the following pairs of ions are isoelectronic and isostructural?

Which of the following are isoelectronic species i.e., having the same number of electrons ? Na ^(+) , K ^(+), Mg ^(2+) , Ca ^(2+), S ^(2-) Ar ,

Which of the following is isoelectronic : Na+ , Ar ,Mg2+ , S2-

Which of the following species are involved in the carbylamine test ?

Which of the following is not true for species?

Which is not true for species?

Which of the following is not true for a species?

Which one of the following species of earthworm is not recommended for vermicomposting?