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Because they only need 1 electron to get the inert/noble gas structure and thus be extremely stable.

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Why do the halogens in group 7a have such high electron in affinities?

Halogens in Group 7A have high electron affinities because they have a strong desire to gain an electron to achieve a stable electron configuration with a full outer shell. This results in the release of significant energy when an electron is added, leading to high electron affinities for these elements.


The most reactive group of nonmetals is the?

Group 17 (known as Halogens)


What group of elements give off the most energy when they gain an electrons?

Group 8A, the noble gases because they have high electron affinity.


Why electron affinity of halogens is comparatively high?

The electron affinity of halogens is comparatively high because they have a high effective nuclear charge and are one electron short of achieving a stable octet configuration. This strong attraction for an additional electron results in the release of a significant amount of energy when they gain an electron. Additionally, halogens are small in size, allowing the added electron to be closer to the nucleus, further enhancing the attraction. As a result, halogens readily accept electrons, leading to their high electron affinity values.


Which element have stronger electron affinity among the halogens?

Among the halogens, fluorine has the strongest electron affinity. This is due to its small atomic size and high electronegativity, which allows it to attract additional electrons more effectively than the other halogens. While chlorine also has a high electron affinity, fluorine's ability to stabilize the added electron makes it the most favorable in terms of gaining an electron.

Related Questions

Why do the halogens in group 7a have such high electron in affinities?

Halogens in Group 7A have high electron affinities because they have a strong desire to gain an electron to achieve a stable electron configuration with a full outer shell. This results in the release of significant energy when an electron is added, leading to high electron affinities for these elements.


Which statement best describe why the halogens in group 7a have such high electron affinities?

Halogens in group 7A have high electron affinities because they have only one electron missing to achieve a stable electron configuration. By gaining an electron, they can fill their outer energy level and become more stable. This strong attraction for an additional electron results in high electron affinities.


The elements to the left side of the periodic table in groups vIa and vIIa have a high or low electron affinity?

The elements to the left side of the periodic table in groups VIa and VIIa have high electron affinity, as they tend to gain electrons to achieve a stable octet configuration. Group VIIa elements (halogens) have the highest electron affinities in the periodic table.


The most reactive group of nonmetals is the?

Group 17 (known as Halogens)


Does halogens have high or low reactivity?

Halogens have high reactivity because they have a strong tendency to gain an electron to achieve a stable electron configuration. This reactivity decreases as you move down the group from fluorine to iodine.


What group in the periodic table releases the most energy by gaining an electron?

The halogen group in the periodic table releases the most energy by gaining an electron because they have a high electron affinity and tend to form stable, energy-releasing compounds when they gain an electron to achieve a full outer electron shell.


Which element has the lowest electron affinity Is it nitrogen?

No, nitrogen does not have a low electron affinity. Electron affinity increases as you go up and to the right on the periodic table. Thus, Groups I and II elements (ex. Cs, Ba, Sr, etc.) have LOW electron affinities and the halogens in Group VII (Br, Cl, F, etc) have the HIGHEST electron affinities. Chlorine has the HIGHEST electron affinity on the periodic table.(Fluorine is an exception in this case.)


What group of elements give off the most energy when they gain an electrons?

Group 8A, the noble gases because they have high electron affinity.


Differences between alkil metals and halogens?

The elements of the 1st GROUP of the periodic table are called alkali metals. The elements of the 17th GROUP of the periodic table are called halogens. Alkali metals are soft metals whereas halogens are non-metals.


Why electron affinity of halogens is comparatively high?

The electron affinity of halogens is comparatively high because they have a high effective nuclear charge and are one electron short of achieving a stable octet configuration. This strong attraction for an additional electron results in the release of a significant amount of energy when they gain an electron. Additionally, halogens are small in size, allowing the added electron to be closer to the nucleus, further enhancing the attraction. As a result, halogens readily accept electrons, leading to their high electron affinity values.


Most reactive group of nonmetals?

Ah, the most reactive group of nonmetals would be the halogens, my friend. These elements are always eager to form bonds and react with other substances in their quest for stability. Just like how we blend colors on our canvas, these halogens create beautiful reactions in nature that keep the world in balance.


Elements in group 17 are known as salt formers they are called?

Elements in group 17 are known as halogens, which means "salt formers" in Greek. They include elements like fluorine, chlorine, bromine, iodine, and astatine. Halogens have a strong tendency to gain an electron to achieve a full outer electron shell.