Question

isotopes of hydrogen ??​

Answer 1

Answer:

Hydrogen (1H) has three naturally occurring isotopes, sometimes denoted 1H, 2H, and 3H. The first two of these are stable, while 3H has a half-life of 12.32 years. There are also heavier isotopes, which are all synthetic and have a half-life less than one zeptosecond (10−21 second). Of these, 5H is the most stable, and 7H is the least.

Answer 2

Answer:

Hydrogen (1H) has three naturally occurring isotopes, sometimes denoted 1H, 2H, and 3H. The first two of these are stable, while 3H has a half-life of 12.32 years. There are also heavier isotopes, which are all synthetic and have a half-life less than one zeptosecond (10−21 second). Of these, 5H is the most stable, and 7H is the least.[2][3]

Main isotopes of

hydrogen

(1H)

Iso­tope Decay

abun­dance half-life (t1/2) mode pro­duct

1H 99.99% stable

2H 0.01% stable

3H trace 12.32 y β− 3He

Standard atomic weight Ar, standard(H)

[1.00784, 1.00811][1]

Conventional: 1.008

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The three most stable isotopes of hydrogen: protium (A = 1), deuterium (A = 2), and tritium (A = 3).

Hydrogen is the only element whose isotopes have different names in common use today: the 2H (or hydrogen-2) isotope is deuterium[4] and the 3H (or hydrogen-3) isotope is tritium.[5] The symbols D and T are sometimes used for deuterium and tritium. The IUPAC accepts the D and T symbols, but recommends instead using standard isotopic symbols (2H and 3H) to avoid confusion in the alphabetic sorting of chemical formulas.[6] The ordinary isotope of hydrogen, with no neutrons, is sometimes called protium.[7] (During the early study of radioactivity, some other heavy radioactive isotopes were given names, but such names are rarely used today.)

Explanation:

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