Question
The three elements predicted by Mendeleev from the gaps in his periodic table were known as eka - boron, eka - aluminium and eka-silicon. What names were given to these elements when they were discovered later on?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\text{CH}_4+\text{O}_2\xrightarrow[{}]{{}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \\}$
$\text{CH}_4+\text{Cl}_2\xrightarrow[{}]{ \ \ \ \ \ \ \ \ \ \ {\text{Sunlight}}\ \ \ \ \ \ \ \ \ \ \ \\ }$