Chlorine-30

Properties and data of the isotope ³⁰Cl.

Content

General data

Name of the isotope:Chlorine-30; Cl-30Symbol:³⁰Cl or 3017ClMass number A:30 (= number of nucleons)Atomic number Z:17 (= number of protons)Neutrons N:13Isotopic mass:30.00477(21) u (atomic weight of Chlorine-30)Nuclide mass:29.9954443 u (calculated nuclear mass without electrons)Mass excess:4.44323 MeVMass defect:0.240899452 u (per nucleus)Nuclear binding energy:224.39639414 MeV (per nucleus)
7.4798798 MeV (average binding energy per nucleon)Separation energy:S_N = 16.79(27) MeV (first neutron)Half-life:30 nsDecay constant λ:23104906.018665 s^-1Specific activity α:4.638033286666 × 10⁺²⁹ Bq g^-1
1.253522509909 × 10⁺¹⁹ Ci g^-1Spin and parity:
(nuclear angular momentum)(3+)Mirror nucleus:Aluminium-30Year of discovery:2018

Radioactive Decay

Half-life T_½ = 30 ns respectively 3.0 × 10^-8 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
p	²⁹S

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 13) and isobaric (same nucleon number A = 30) with Chlorine-30. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 13	Isobar A = 30
5	¹⁸B
6	¹⁹C
7	²⁰N
8	²¹O
9	²²F	³⁰F
10	²³Ne	³⁰Ne
11	²⁴Na	³⁰Na
12	²⁵Mg	³⁰Mg
13	²⁶Al	³⁰Al
14	²⁷Si	³⁰Si
15	²⁸P	³⁰P
16	²⁹S	³⁰S
17	³⁰Cl	³⁰Cl
18	³¹Ar	³⁰Ar
19	³²K