Which of the following pairs represents an iso-electronic species?

  • A
    $F^{-}, O^{2-}$
  • B
    $F^{-}, O$
  • C
    $F^{-}, O^{+}$
  • D
    $F^{-}, O^{2+}$

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Similar Questions

The metal ion with total number of electrons same as $S^{2-}$ is

Assertion : Atoms are not electrically neutral.
Reason : Number of protons and electrons are different.

Calculate the number of protons,neutrons and electrons in ${}_{16}^{32} S^{2-}$.

The mass numbers of two elements $X$ and $Z$ are $52$ and $75$ respectively. $X$ contains $16.6 \%$ more neutrons compared to protons. $Z$ contains $27.3 \%$ more neutrons compared to protons. $X$ and $Z$ are respectively

The expression $Ze$ gives :

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