প্রশ্ন ও উত্তর
What are elements containing the same number of protons but different number of neutrons called?
সাধারণ বিজ্ঞান Basic Information of Daily Science, Inventions and... 07 Oct, 2020
প্রশ্ন What are elements containing the same number of protons but different number of neutrons called?
সঠিক উত্তর
isotopes
মন্তব্য
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