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Why are elements with Hugh electron affinities also the most electronegative?
Wiki User
∙ 8y ago
you can think of it like a magnet.
A magnet with a peice of metal stuck to it.
The harder it is to pull a peice of metal away from it (ionization energy), that means that it has more pull on the metal and will pull peices of metal with more force(electron affinity).
Wiki User
∙ 14y ago
Wiki User
∙ 10y agoBecause some elements have much greater effective nuclear charge compared to others.
For example, Fluorine is the most electronegative element known, this is due to fact that it's electrons experience a great amount of attraction from it's positive nucleus.
This effect diminishes as you go left across the Periodic Table and down a group because in both cases, effective nuclear charge (attraction to the nucleus felt by the electrons) decreases.
Wiki User
∙ 12y agoThe elements that have 5 or more or sometimes 4 electrons tend to need to gain electrons to form an octet, resulting in high electronegativity because they take electrons away from other elements.
Wiki User
∙ 14y agoA high ionisation energy means it is very difficult to take away electrons, which is a basic definition of high electron affinity.
Wiki User
∙ 11y agoh
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