Question

Show structure of 2 isotopes of carbon in p+n form​

Answer 1

Answer:

Carbon (6C) has 15 known isotopes, from 8C to 22C, of which 12C and 13C are stable. The longest-lived radioisotope is 14C, with a half-life of 5,730 years. This is also the only carbon radioisotope found in nature—trace quantities are formed cosmogenically by the reaction 14N + 1n → 14C + 1H. The most stable artificial radioisotope is 11C, which has a half-life of 20.364 minutes. All other radioisotopes have half-lives under 20 seconds, most less than 200 milliseconds. The least stable isotope is 8C, with a half-life of 2.0 x 10−21 s.

Main isotopes of

carbon

(6C)

Iso­tope Decay

abun­dance half-life (t1/2) mode pro­duct

11C syn 20 min β+ 11B

12C 98.9% stable

13C 1.1% stable

14C 1 ppt 5730 y β− 14N

Standard atomic weight Ar, standard(C)

[12.0096, 12.0116][1]

Conventional: 12.011

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