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The first electrons to be removed (1st ionization energy) are the ones that are farthest from the nucleus, and so are not held as tightly (further from the positive protons). As you move closer to the nucleus (2nd and 3rd ionization energies), it becomes harder (more energy) to remove them because they are held more tightly by the protons.

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Related Questions

What energy is needed to remove an electron from its outer most shell?

This is called the ionization energy and an is different for each electron in the atom. Electrons in the outer shell (furthest from the nucleus) have the lowest ionization energy, electrons in the innermost shell (closest to the nucleus) have the highest ionization energy.


What is the energy needed to remove electrons from an atom called?

ionization potential energy. but remember the atom must be neutral .


Is fire an ionization energy?

No fire is not an ionization energy


What is the energy needed for ionization called?

The energy needed for ionization is called ionization energy. It is the minimum amount of energy required to remove an electron from an atom or molecule in its gaseous state.


What has the largest ionization energy?

Helium has the highest ionization energy.


Does noen have ionization energy?

Neon's ionization energy is 20.1397


What are examples of ionization energy?

Tins ionization energy is 118.10


Which energy is the energy that can be taken to remove an electron form its shell?

This energy is called ionization energy and is different for each chemical element.


Does Rb have a high ionization energy or low ionization energy?

Low


Does Kr have high ionization energy or low ionization energy?

high


What is the energy released during ionization of a non metal?

ionization energy


What is ionization energy of boron?

Across a row on the periodic table ionization energy increases. Down a column, ionization energy decreases. --------------------------------------------------------- The first Ionization energy of Boron is 800.6 kJ mol-1