Different between:

Hologens and 0 element

different between Hologens and 0element

Explanation:

The reactivity of the elements decreases as you decent the group. This can be seen if we observe the reaction between halogens. Elements in the same group in this periodic table have similar chemical properties. Group 0 elements are unreactive nonmetal called the noble gases.

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

a is the correct answer