Respuesta :
Answer:
Explanation:
element usual oxidation state exceptions
Group 2 metals always +2
Oxygen usually -2 except in peroxides and F2O (see below)
Hydrogen usually +1 except in metal hydrides where it is -1
Fluorine always -1
Group 2 metal element is most likely to have an oxidation number +2.
What is oxidation?
Oxidation is losing the electrons which in turns increase in the oxidation state of a chemical or atoms.
The +2 oxidation means the element is losing two electrons in a reaction.
This happens only in the group 2 elements like beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).
Thus, Group 2 metal element is most likely to have an oxidation number +2.
Learn more about oxidation.
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