Question

The electronegativities (according to Pauling) of the elements in Period 3 of the Periodic Table asfollow with the elements arranged in alphabetical order :

$\begin{array}{ccccccc}Al& Cl& Mg& Na& P& S& Si\\ 1.5& 3.0& 1.2& 0.9& 2.1& 2.5& 1.8\end{array}$

Arrange the elements in the order in which they occur in the Periodic Table from left to right.

(The group 1 element first , followed by the group 2 element and so on , up to group 7).

Answer 1

Na	Mg	Al	Si	P	S	Cl
0.9	1.2	1.5	1.8	2.1	2.5	3.0