Question

2. Which element is a more negative element?​

Answer 1

Answer:

copper is a most negative element

Answer 2

Explanation:

But the electron gain enthalpy of chlorine is more negative than that of flourine. This is due to the small size of F atom. Due to its small size, the electron-electron repulsion in the relatively compact 2p-subshell are comparatively larger than those present in the bigger 3p-subshell of Cl.