Question

Ionization...
A.. Removing of electron from outer most shell
B... from an oxygenated atom​

Answer 1

Answer:

onization or ionisation, is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes.The resulting electrically charged atom or molecule is called an ion

Explanation:

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Answer 2

Answer:

ionisation enthalpy is the energy or charge required to remove an electron from the outer most shell in order to complete octet mostly in case of halogens

for e.g CL has 7electron in the outer most shell and it require 1 electron in outermost shell in order to complete the octet so it will gain that one electron from the alkali and that energy which is required to remove that one electron in gaseous state is nothing but ionisation enthalpy