Question

$represent \: the \: following \: on \: number \: line \:\\ 1. \: \sqrt{3.14} \: \: or \: \sqrt{ \frac{22}{7} } \\ 2. \: \sqrt{ \frac{3}{2} } \\ 3. \: 2 + \sqrt{3}$
Pls help me in this question.
The number line should be in construction type​

Answer 1

In the periodic table A and B are two elements belonging to 2nd and 16th

group respectively and both of them belong to second period. The

chemical formula of the compound obtained when these two elements

react with each other is,