Chemistry, asked by pawan8641, 1 year ago

A,B और C तीन तत्त्वों की परमाणु संख्याएँ क्रमशः 8, 10 और 20 हैं । इनमें अक्रिय गैस की पहचान करें ।

Answers

Answered by virajsinhrana54

0

Answer:

20

Explanation:

20

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