WebOct 6, 2007 · This is best when the atom is as small as possible and so fluorine is the most reactive of the halogens. Break the idea down into clar statements: Attraction between nucleus and electron is greatest for small atoms. The small atoms are at the top of the groups. Group I metals want to lose an electron while halogen atoms want to gain an … WebAs we descend Group 7, the reactivity decreases. For stability, the atom needs to have a full outer shell. Group 7 elements need to gain 1 electron to have a full shell.

Microscale reactions of chlorine with water or halide ions - RSC …

WebOct 10, 2010 · The reactivity of group 17 elements differ as you move down the periods. Group 17 elements are missing 1 electron from their valance shell making them highly votile and reactive.I'll try not to ... WebApr 7, 2024 · The reactivity of the halogens decreases down the group. The high reactivity of halogens is due to the following reasons : (i) Low dissociation enthalpies All the halogens have very low dissociation enthalpies. As a result, they can readily dissociate into atoms and react with other substances. (ii) High electron gain enthalpy dsnonline jpl nasa

Why does reactivity decrease down the group? – Sage-Answers

WebAug 21, 2024 · It can be seen that there is a regular increase in many of the properties of the halogens proceeding down group 17 from fluorine to iodine. This includes their melting … WebTrends in reactivity in the periodic table Resource RSC Education This could be used to follow up some work on the periodic table where the trends in reactivity in groups 1 and 7 have been identified. It can be used as a differentiated activity for … WebJan 25, 2024 · Because of this, they are more reactive than other non-metal groups. In the periodic table, the Group 17 elements exist as the second column from the right side. The … ds novelist\\u0027s