Q. 155.0( 3 Votes )
Which of the foll A. Na
B. F
C. Mg
D. Al
Answer :
Flourine has 7 electrons in the outermost orbit. Its atom size is smallest too. Since it is the most electronegative element, thus does not lose an electron easily.
Sodium has one valence electron, Magnesium has 2 valence electrons, and Aluminum has 3 valence electrons. These are all metals that lose electrons easily.
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