$Mn, Co, Cu$ metals form useful alloys because:

  • A
    The difference between their atomic sizes is more than $15\%$.
  • B
    The difference between their atomic sizes is about $2\%$.
  • C
    The difference between their atomic sizes is less than $22\%$.
  • D
    The difference between their atomic sizes is $15\%$.

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Similar Questions

The number of electrons in the outermost shell of the $3d-$ transition elements generally remains:

Assertion : Cuprous ion $(Cu^+)$ has unpaired electrons while cupric ion $(Cu^{2+})$ does not.
Reason : Cuprous ion $(Cu^+)$ is colourless whereas cupric ion $(Cu^{2+})$ is blue in the aqueous solution.

Reactivity of transition elements decreases almost regularly from $Sc$ to $Cu$. Explain.

Identify the transition element.

List the elements of the first transition series.

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