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Which atom requires the least energy for the removal of the most loosely bound electron a.Sn b.Sr c.Be d.Br?
Wiki User
∙ 12y ago
C. Be. Beryllium.
Wiki User
∙ 12y ago
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Why the addition of two electrons or removal of one electron requires more energy in oxygen atom?
Type your answer here... when adding an electrons to oxygen it needs more energy in electron affinity in order to attract electrons from other atoms to be stable.and we know that oxygen is in short of two electrons.so in the other hand when an electron is removed from oxygen it will be unstable and will be needing more ionization energy to be able to remove an electron to it.Thus mean indeed when adding or removing electrons for oxygen it requires energy.
Why Cesium atomic number 55 requires little energy to release its one electron present in the outer most shell?
why Cs requires little energy to release its 1 electron
Why does Be have a much larger second ionization energy than the first?
The energy to remove 1 electron is the first ionization energy. To remove a second electron requires more energy. This is because the electron being removed now has to overcome the +1 positive charge introduced after the 1st electron was removed.
Is atoms with high ionization energy allow their electrons to be easily taken?
This is false. The ionization energy is the amount of energy that is required to remove the electron. Therefore, if it requires more energy, it is harder to remove the electron.
Why formation of di and tri-negaive ions is endothermic process?
when an electron is added to an atom, uninegative ion is formed and enrgy is released. the addition of one more electron is difficult because negative charge or electronic cloud repels it strongly, to overcome this repelsion an amount of energy is needed, which is obtained by surroundings so its an endothermic reaction.
Why the addition of two electrons or removal of one electron requires more energy in oxygen atom?
Type your answer here... when adding an electrons to oxygen it needs more energy in electron affinity in order to attract electrons from other atoms to be stable.and we know that oxygen is in short of two electrons.so in the other hand when an electron is removed from oxygen it will be unstable and will be needing more ionization energy to be able to remove an electron to it.Thus mean indeed when adding or removing electrons for oxygen it requires energy.
What requires the removal of thermal energy?
Cooling and freezing.
Does boiling require the removal of energy?
No. It takes energy to boil a substance.
Does the addition of two electrons or removal of one electron require more energy for an oxygen atom?
when adding two electrons to the oxygen atom yep! it requires more energy because it has to take them from another atom so it will be removing an electron using more ionization energy to do the work.and we must remember that oxygen needs two electrons to attain its valency then it needs to take two from another atom to be fully filled and without the two electrons it will still lack electron to be stable.this means adding or removing requires energy.
Why Cesium atomic number 55 requires little energy to release its one electron present in the outer most shell?
why Cs requires little energy to release its 1 electron
Why is the 2nd ionisation energy of Cr higher and not lower than of Mn?
The electron configuration of a neutral chromium atom is [Ar]3d54s1. The electron configuration for manganese is [Ar]3d54s2. The first electron removed from a chromium atom is the single 4s electron, leaving the electron configuration [Ar]3d5. The first electron removed from a magnesium atom is one of the 4s2 electrons, leaving the electron configuration [Ar]3d54s1. Removal of a second electron from a chromium atom involves the removal of one of the 3d electrons, leaving a configuration of [Ar]3d4, which is not a very stable configuration, and requires more energy to achieve. Removal of a second electron from a magnesium atom involves the removal of the second 4s electron, leaving a configuration of [Ar]3d5, which is more stable and requires less energy to achieve.
Why na and mg have same number of electrons but removal of electron from mg requires more energy?
na is more electropositive. it is so as electropositivity decreases from left to right across a group
Why formation of do negative ion is an endothermic process?
endo process because it involves breaking of bonds ( requires energy thus energy from surroundings are absorbed)
Why does Be have a much larger second ionization energy than the first?
The energy to remove 1 electron is the first ionization energy. To remove a second electron requires more energy. This is because the electron being removed now has to overcome the +1 positive charge introduced after the 1st electron was removed.
Is atoms with high ionization energy allow their electrons to be easily taken?
This is false. The ionization energy is the amount of energy that is required to remove the electron. Therefore, if it requires more energy, it is harder to remove the electron.
Is it true that A change of state requires the addition or removal of heat energy?
Yes, that's correct.
What is the energy of electron in nth orbit in hydrogen atom?
It depends on which energy level the electron is in, and where it ends up. To go from n=1 to n=2, it requires 10.2 eV of energy.
