MCQ
Recently $($in $2003)$ element with atomic number $110$ has been named by $\ce{IUPAC}$ as :
- A$\ce{Hs}$
- B$\ce{Mt}$
- ✓$\ce{Ds}$
- D$\ce{Sg}$
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$\mathrm{Sn}^{4+}, \mathrm{Sn}^{2+}, \mathrm{Pb}^{2+}, \mathrm{Tl}^{3+}, \mathrm{Pb}^{4+}, \mathrm{Tl}^{+}$