Answer:
Halogens
Explanation:
Electronegativity increases from <em>left to right</em> in the Periodic Table (see image).
We ignore the elements of Group 18 (the noble gases) because they are quite unreactive.
So, the most electronegative elements are those in Group 17 (the <em>halogens</em>).
Can you please add a picture of the case??
Atlantic
Hope I helped thanksss
I believe it’s physical property because there is no chemical reaction to an unlit match♀️