37. হাইড্রোজেন পরমাণুর আইসােটোপ সংখ্যা
(a) 3 (b) 2 (c) 4
(d) 1
T
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12
Answer:
please write in English or Hindi language
Answered by
1
Answer:
1 is the right option ok please mark my answer as brain list please follow me up
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