MCQ
In the neutral state the element $M$ consists of the isotopes $_{14}M^{28} , _{14}M^{29}$ and $_{14}M^{30}$ in the ratio $60 : 30 : 20$ respectively. Correct statements about $M$ in the natural state include that
- Athe atomic weight is between $28.0$ and $28.5$
- Batoms of $M$ condition $24$ electron each
- ✓atoms of $M$ may contain $14,15$ or $16$ neutrons each
- Datoms of $M$ contain $16$ protons each