15 Questions
What is the definition of ionization energy?
The minimum amount of energy required to remove the outermost electron from an atom.
Why are valence electrons the first to be stripped away during ionization?
Because they are the furthest from the nucleus and influenced the least by it.
How does ionization energy change as more electrons are removed from an atom?
It increases because it becomes harder to remove electrons.
What unit is ionization energy typically measured in?
Kilojoules per mole
Why does an ion with a positive charge have a tighter hold on its remaining electrons?
Because it has lost electrons and now has a greater positive charge.
What happens to an atom's ionization energy as its positively charged influence on electrons increases?
It increases because valence electrons are more tightly held.
In the formula for ionization energy, what does 'X' represent?
'X' represents the atom or molecule
Why does ionization energy increase across a period?
As a result of increasing atomic numbers from left to right
What factor contributes to the decrease in ionization energy down a group?
Increase in the distance between outermost electrons and the nucleus
In which direction does ionization energy typically increase within a period?
From left to right
What role does the number of protons play in determining ionization energy?
It increases ionization energy
How does the number of electron shells impact ionization energy?
It increases ionization energy
Why do elements going down a group have lower ionization energy?
Because of an increase in electron shells
What effect does the distance between outermost electrons and the nucleus have on ionization energy?
Decreases it
How does the strength of positive force between nucleus and outermost electrons influence ionization energy?
Increases it
Learn about ionization energy, which is the minimum energy required to remove the outermost electron in an atom. Valence electrons, the outermost electrons in an atom, play a significant role in determining ionization energy.
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