MCQ
Argon was discovered by
- ARayleigh
- BFrakland and Lockyer
- CJansen
- ✓Ramsay
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.


$(A)$ All are isoelectronic
$(B)$ All have the same nuclear charge
$(C)$ $\mathrm{O}^{2-}$ has the largest ionic radii
$(D)$ $\mathrm{Mg}^{2+}$ has the smallest ionic radii
Choose the most appropriate answer from the options given below :
