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The energy required to remove an electron from an atom

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12y ago
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1w ago

The first ionization energy represents the amount of energy required to remove the outermost electron from a neutral atom in the gaseous phase. It reflects the atom's ability to lose an electron and form a cation. A higher first ionization energy indicates a stronger attraction between the electron and the nucleus.

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Q: What does the first ionization energy represent?
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Related questions

What is the ionization energy of mercury?

The first ionization energy of mercury is 10.44 eV, while the second ionization energy is 18.76 eV. These values represent the energy required to remove one or two electrons, respectively, from a gaseous mercury atom to form a positively charged ion.


What is the equation that illustrate ionization energy and what does each symbol represent?

M + ionization energy à M1+ + e- M + ionization energy à M1+ + e-


What is first ionization energy?

Sodium's first ionization energy is 495 kJ / mol.


What element has largest first ionization energy?

Helium has the highest ionization energy.


What is fluorine's ionization energy?

The first ionization energy is 1681 kJ/mol.


What elements has the highest first ionization energy?

Fluorine has the largest first ionization energy among the halogens.


What halogen element has the highest first ionization energy?

Fluorine has the highest first ionization energy among the halogen elements.


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

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


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


What is einsteinium's ionization energy?

The ionization energy of einsteinium is 6.42 electron volts.


Whose first ionization energy is higher oxygen or carbon?

The first ionization energy for carbon is 1 086,5 kJ/mol. The first ionization energy for oxygen is 1 319,9 kJ/mol.


How does the first ionization energy change going down and across the periodic table?

As you move down a group on the periodic table, the first ionization energy generally decreases due to the increasing atomic size and shielding effect of inner electrons. Across a period, the first ionization energy generally increases because the effective nuclear charge increases, making it harder to remove an electron.