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What is the effect of an additional electron have on atomic size?
Wiki User
∙ 12y ago
According to me the atomic size of an atom increases or decreses with the change in the number of shells. As atomic size is defined as the distance between the nucleus and valence shell of an atom. So, the addition of an electron does not effect the atomic size. As we can see in the Periodic Table that while moving along a group the number of electrons increases along with increase in no. of shells, while the atomic size tends to be increase with addition of shells and neglecting the addition of electrons. Same is the case while moving along a period. Atomic size decreases while the attraction between increased nuleus charge increases . Thus the size of the atom decreases.
Wiki User
∙ 12y ago
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What change takes place as you move down in group 17 of periodic table in electron gain enthalpy?
on moving down the group the atomic size as well as nuclear charge inreases.But the effect of increase in atomic size is much more pronounced than that of nuclear charge and thus the additional electrons feels less attraction consequently electron gain enthalpy becomes less negative on going down the group
What is the size order for these scientific particles Proton Neutron Atom Electron Nucleus?
IIRC Atoms (contains Protons/Neutrons and electrons) Nucleus contains Protons and Nuetrons Proton atomic size 1 Nuetron atomic size 1 electron atomic size 1/1836 i.e the proton is 1836 bigger than the electron
Why is the atomic size considered to have no definite boundary?
There are electrons surrounding it and it is an electron cloud. Electron clouds are undfinable.
Why does francium have the biggest atomic size?
Francium is located on the bottom left side of the periodic table of elements. Meaning it has the largest number of electron shells and lowest electron negativity. Thus having the biggest atomic size.
What determine an atoms size?
The atomic radius depends on the the number of electron shells, total negative charge, positive charge of the nucleus, atomic mass.
What effect does an additional proton have on atomic size?
An additional proton, in the same period (row) makes the radius smaller and the nucleus bigger. It also changes the element.
What change takes place as you move down in group 17 of periodic table in electron gain enthalpy?
on moving down the group the atomic size as well as nuclear charge inreases.But the effect of increase in atomic size is much more pronounced than that of nuclear charge and thus the additional electrons feels less attraction consequently electron gain enthalpy becomes less negative on going down the group
What is the size order for these scientific particles Proton Neutron Atom Electron Nucleus?
IIRC Atoms (contains Protons/Neutrons and electrons) Nucleus contains Protons and Nuetrons Proton atomic size 1 Nuetron atomic size 1 electron atomic size 1/1836 i.e the proton is 1836 bigger than the electron
Why is the atomic size considered to have no definite boundary?
There are electrons surrounding it and it is an electron cloud. Electron clouds are undfinable.
Why does francium have the biggest atomic size?
Francium is located on the bottom left side of the periodic table of elements. Meaning it has the largest number of electron shells and lowest electron negativity. Thus having the biggest atomic size.
What does atomic radius means?
Atomic Radius means the size of the atoms, the distance from the atomic nucleus to the outermost electron orbital.
Is the electron the largest of the three main atomic particles?
The electron is the smallest of the three main atomic particles by a long way. The proton and neutron are of a similar size, with the neutron having (very) slightly more mass. The mass of an electron is around 1/1840 of a proton or electron.
How could an electron configuration be use to predict relative atomic size?
the larger the highest energy level number, the larger the atomic radius
What determine an atoms size?
The atomic radius depends on the the number of electron shells, total negative charge, positive charge of the nucleus, atomic mass.
What happens to atomic radius size of a cation and why?
The atomic radius of cation is smaller than its parent atom.This is because of the removal of electron from the parent atom.
What determines size of an atom?
Protons, neutrons and electrons
Why does the bigger size atoms have more sheilding effect?
The number of electron shells is higher.
