Why does chlorine have a higher electron affinity than sodium?

Since chlorine’s outermost orbital is a 3p orbital, there is more space, and the electrons in this orbital are inclined to share this space with an extra electron.

Why does chlorine have a greater electron affinity than bromine?

Bromine is located below chlorine in group 17, which means that a bromine atom is larger than a chlorine atom. This of course implies that the outermost electrons are located further away from the nucleus in bromine’s case. In other words, chlorine has a higher electron affinity than bromine.

Which has high electron affinity F or Cl?

Electron affinity of Cl is greater than that of F.

Why does fluorine have less electron affinity?

The less electron affinity of fluorine is due to its smaller size. Adding an electron to the 2p orbital in fluorine leads to a greater repulsion than adding an electron to the larger 3p orbital of chlorine. Hence, fluorine has less electron affinity than chlorine.

Why does fluorine have lower electron affinity?

Fluorine, which is higher up the group then chlorine, has a lower electron affinity. This is because the electrons in the outermost shell of a fluorine atom are closer together. Energy is required to keep the gained electron in the shell, causing fluorine to have a smaller electron affinity than chlorine.

Why does fluorine have a higher electronegativity than chlorine?

Fluorine is more electronegative than chlorine because fluorine is smaller and has its electrons closer to the positively charged nucleus. …

Why does bromine have less electron affinity than chlorine?

Answer: Bromine is located below chlorine in group 17, which means that a bromine atom is larger than a chlorine atom. This of course implies that the outermost electrons are located further away from the nucleus in bromine’s case. In other words, chlorine has a higher electron affinity than bromine.

Is chlorine less reactive than fluorine?

The reactivity is the halogens ability to gain an electron, so number of electrons already in the atom plays a vital role. Chlorine has more electrons so repels a reacting electron with greater force than fluorine, making it less likely to react.

Why electron affinity decreases down the group?

Electron affinity decreases down the groups and from right to left across the periods on the periodic table because the electrons are placed in a higher energy level far from the nucleus, thus a decrease from its pull.

Why is the electronegativity of Cl less than F?

Why isn’t chlorine as electronegative as fluorine? Chlorine is a bigger atom than fluorine. In the chlorine case, the bonding pair will be shielded by all the 1-level and 2-level electrons. The 17 protons on the nucleus will be shielded by a total of 10 electrons, giving a net pull from the chlorine of about 7+.

Although the electronegativity of Fluorine is more than that of Chlorine, due to its small size, the shielding effect of electrons is more in Fluorine so electrons are much more attracted towards Chlorine than Fluorine.

What are the properties of fluorine atom?

(1) Small size fluorine atom makes the 2p subshell more compact. This results in repulsion among electrons of the valence shell and also with electron to be added. Due to this F atom has less tendency to accept electron. (2) Because of small size of fluorine, there will be high electron density around the nucleus.

Why is the ETA of fluorine less than that of chlorine?

E.A of fluorine is less than that of chlorine due to two reasons: (1) Small size fluorine atom makes the 2p subshell more compact. This results in repulsion among electrons of the valence shell and also with electron to be added. Due to this F atom has less tendency to accept electron.

Why does fluorine have a low effective nuclear charge?

Due to this F atom has less tendency to accept electron. (2) Because of small size of fluorine, there will be high electron density around the nucleus. This high electron density screens the nucleus. Because of this, effective nuclear charge gets decreased.