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For this reason, they love electrons and will easily accept one from another atom to achieve it. And as you recall, these halogens only need one electron to achieve a stable electron configuration similar to that of the noble gases. Generally, electron affinity values become more negative as you move your eyes from the left of the periodic table toward the halogens (group 17). For this reason, the electron affinities of such ions are difficult to measure experimentally, because of this, we simply write their electron affinity values as being greater than zero. These positive electron affinity values mean that the negative ions of these atoms are less stable than the neutral atoms. Pay attention to the Affinity of the weapons that you choose for yourself and your Palico, and always remember that having a negative Affinity does not mean that your weapon is going to be useless. This strong attraction makes sense because fluorine and the rest of the halogens just need a single electron to achieve an octet (8) of valence electrons similar to that of the noble gases (group 18).Īlso, on the table, you will notice that the noble gases (group 18) all have electron affinities greater than zero (positive values). Affinity, is as we said before, an important stat to keep in mind when moving further into the game. And if you compare the electron affinity of fluorine to the electron affinities of the rest of the elements in group 17, you will notice that they all have a strong attraction for an electron. The large negative value shows that fluorine atom easily accepts an electron. Miller-Keane Encyclopedia and Dictionary of. in immunology, the thermodynamic bond strength of an antigen-antibody complex. in chemistry, the tendency of two substances to form strong or weak chemical bonds forming molecules or complexes. We can write this addition as: Electron Affinity attraction a tendency to seek out or unite with another object or substance. As you can see, when an electron is added to a fluorine (F) atom in the gaseous state the electron affinity is -328 kJ/mol.