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33 votes
33 votes
Which one of the following elements forms a negative ion?Group of answer choicesNaOMgHeAl

User Ovilia
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1 Answer

23 votes
23 votes

Answer

O

Step-by-step explanation

Non-metallic elements in the periodic table can accept electrons to form negative ions. So Elements in groups V, VI, and VII in the periodic possess the characteristics of forming a negative ion.

Therefore, the correct answer is: O.

User Maciej Jankowski
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