What is the term for the energy required to remove an electron from an atom in t

What is the term for the energy required to remove an electron from an atom in the gas phase?

What is the term for the energy required to remove an electron from an atom in the gas phase?

Step 1: Understand that atoms are made up of protons, neutrons, and electrons.
Step 2: Know that electrons are negatively charged particles that orbit around the nucleus of an atom.
Step 3: Realize that sometimes we want to remove an electron from an atom.
Step 4: The energy needed to take away an electron from an atom is called ionization energy.
Step 5: Remember that this process happens when the atom is in the gas phase, meaning it is not in a solid or liquid state.

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