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vesiniku stabiilne isotoop, isótopo del hidrógeno cuya masa o peso atómico es de aproximadamente 2, the isotope of hydrogen with proton number 1 but nucleon (mass) number 2
2H . Limnoloogia sõnastik. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif/est,rus,mul/lim/2H/1/est (15.10.2026)
