MCQ
Similarity in chemical properties of the atoms of elements in a group of the Periodic table is most closely related to
- ✓atomic numbers
- Batomic masses
- Cnumber of principal energy levels
- Dnumber of valence electrons
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$\begin{array}{*{20}{c}}
{C{H_3} - C = C{H_2}C{H_2}OH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{\,C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$ is