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STD 11 - 3. Classification of elements and periodicity in properties — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 3. Classification of elements and periodicity in properties4 Marks
MCQ
An element $M$ has an atomic mass $19$ and atomic number $9$. Its ion is represented by
  • A
    ${M^ + }$
  • ✓
    ${M^ - }$
  • C
    ${M^{2 + }}$
  • D
    ${M^{2 - }}$
✓

Answer

Correct option: B.
${M^ - }$
b
$(b)$ ${M^ - }$ After gaining an ${e^ - }$ the metal attains stable configuration.

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