Math, asked by ankan7dav, 10 months ago

plz its urgent .............

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Answered by Raunakc

3

Step-by-step explanation:

since electronic configuration of A is 2,8,1 it is Sodium (Na)

since electronic configuration of B is 2,8,7

it's chlorine (Cl)

Na + Cl > Na¹ + Cl¹- → NaCl

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