Periodic Trends in Electron Affinity
Periodic trends in electron affinity refer to the systematic variations in the energy released or absorbed when an atom gains an electron. This fundamental concept in chemistry elucidates how electron affinity evolves across the periodic table, impacting the reactivity and properties of elements. Understanding these trends offers insights into the stability and behavior of chemical compounds, influencing diverse fields from materials science to biochemistry. By examining the patterns in electron affinity, researchers can predict chemical reactions, design novel materials, and elucidate the behavior of complex systems at the atomic level.
Questions
- What does electron affinity determine?
- How can electron affinity be negative?
- Which has a higher electron affinity in a period, fluorine or neon?
- Why is the first electron affinity exothermic?
- How would you write the equation of the electron affinity of S-?
- Why does electron affinity decrease with increase in size, and why does it increase with increase in nuclear charge?
- Which halogen has the least attraction for electrons?
- What is the electron affinity of oxygen?
- Why is the electron affinity of fluorine anomalously low?
- What does electron affinity mean?
- Which atom has the greater electron affinity, #"O"^(-)# or #"O"#?
- Why does chlorine have a higher electron affinity than fluorine?
- The electron gain enthalpy of fluorine is less negative than that of chlorine while it is expected to be more negative . Explain ?
- Why do all of the noble gases have electron affinities greater than zero?
- How would you explain why the trend of electron affinity is increasing from left to right and decreasing from up to down?
- Why do the halogen atoms have the greatest electron affinity?
- Why is the trend of electron affinity increasing from left to right and decreasing from up to down?
- Are the elements on the Periodic Table electrically neutral?
- In terms of electron affinity, can you explain this statement: "the stronger the attraction, the more energy is released"?
- Which element will be unreactive? Why?