can you pls read the whole qustion and ans it? 4 the difference between there needs to be 2 points each......Ok?!
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Explanation:
FIGURE A
1] IN FIG. 1 THERE ARE 11 ELECTRONS IN THE SHELL. IT MEANS IT IS SODIUM ELEMENT [NA].
2] IT HAS A VALENCY OF +1.TO BECOME COMPLETELY FILLED OUTERMOST SHELL.
3] IT IS ALSO KNOWN AS A VALENCE ELETRON.
FIGURE B
1] THERE ARE 10 ELECTRONS. IT MEANS IT IS NEON ELEMENT.
2] IT HAS NO VALENCY BECAUSE IT HAS COMPLETELY FILLED OUTERMOST SHELL.
3] THIS ELEMENT IS ALSO KNOWN AS A NOBLE GAS.
HOPE IT WILL HELP YOU. PLEASE MARK ME AS BRAINLIEST.
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