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Electronic configuration of beryllium: 1s2.2s2.
Irma Kerluke
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What is the electron affinity value and which elements have a zero value?
Noble gasses
Why would flurine have the highest electron affinity?
Fluorine does not have the highest electron affinity it has highest electronegativity the highest electron affinity is for chlorine atom.
Does high value of electron affinity for an atom means that it will gain electron easily?
Yes, that is part of the definition of electron affinity.
Definition of electron affinity?
The energy change that occurs when an electron is added to a neutral atom. This is usually exothermic. Noble Gases are excluded from this. Equation: X(element)+e-(electron)---------> X-1+ energy
Halogen with the least-negative electron affinity?
The halogen with the least-negative electron affinity is astatine. Electron affinity and electronegativities decreases down a group. Since astatine is the last halogen located in Group 17 as you move down the column from fluorine, it has the least negative electron affinity.
What alkaline earth metal has the largest electron affinity?
Beryllium
What is beryllium's electron affinity?
It is NOT negative (for the first IE). Because Be's configuration is 1s2 2s2, we observe that it has no vacant orbital to accommodate an electron, meaning that to insert an electron, it has to go into a new sub-orbital, the higher-energy 2p. Hence, you need energy to promote this electron to a 2p level to force Be to accept it.
What is the electron affinity value and which elements have a zero value?
Noble gasses
What element has no electron affinity?
Helium has no electron affinity.
Why would flurine have the highest electron affinity?
Fluorine does not have the highest electron affinity it has highest electronegativity the highest electron affinity is for chlorine atom.
What is the difference between electron affinity and electron gain enthalpy?
electron affinity is the negative of electron gain enthalpy. for example, the electron gain enthalpy of fluorine is -328, and electron affinity is 328 which is -(-328)
Which has higher electron affinity Iodine or bromine?
Bromine has a higher electron affinity.
Which has the lower electron affinity germanium or selenium?
Selenium has the greater electron affinity
What is an electron's electron affinity?
chloline
What is the electron configuration for a neutral atom of beryllium?
The electron configuration of beryllium is written as [He] 2s2. This means that it has 2s2 electrons above the configuration of Helium.
Does chlorine have a high electron affinity or a low ionization energy?
It has High electron affinity.
Does high value of electron affinity for an atom means that it will gain electron easily?
Yes, that is part of the definition of electron affinity.
