Silver-94m1

Properties and data of the isotope ⁹⁴Ag.

Content

General data

Name of the isotope:Silver-94m1; Ag-94m1Symbol:⁹⁴Ag or 9447AgMass number A:94 (= number of nucleons)Atomic number Z:47 (= number of protons)Neutrons N:47Isotopic mass:93.94374(43) u (atomic weight of Silver-94m1)
Excitation energy: +x keVNuclide mass:93.9179581 u (calculated nuclear mass without electrons)Mass excess:-52.40585 MeVMass defect:0.83128755599999 u (per nucleus)Nuclear binding energy:774.33937069 MeV (per nucleus)
8.23765288 MeV (average binding energy per nucleon)Half-life:0.55(6) sDecay constant λ:1.2602676010181 s^-1Specific activity α:8.160762381231 × 10⁺²¹ Bq g^-1
220561145438.69 Ci g^-1Spin and parity:
(nuclear angular momentum)(7+)

Radioactive Decay

Half-life T_½ = 0.55(6) s respectively 5.5 × 10^-1 seconds s.

Decay mode	Daughter	Probability	Decay energy	γ energy (intensity)
EE	⁹⁴Pd	80 %
EE, p	⁹³Rh	20 %

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear Isomer	Excitation Energy	Half-life	Spin
⁹⁴Ag		26 ms	(0+)
^94m2Ag	6670 keV	0.40(4) s	(21+)

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 47) and isobaric (same nucleon number A = 94) with Silver-94m1. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

OZ	Isotone N = 47	Isobar A = 94
26	⁷³Fe
27	⁷⁴Co
28	⁷⁵Ni
29	⁷⁶Cu
30	⁷⁷Zn
31	⁷⁸Ga
32	⁷⁹Ge
33	⁸⁰As
34	⁸¹Se	⁹⁴Se
35	⁸²Br	⁹⁴Br
36	⁸³Kr	⁹⁴Kr
37	⁸⁴Rb	⁹⁴Rb
38	⁸⁵Sr	⁹⁴Sr
39	⁸⁶Y	⁹⁴Y
40	⁸⁷Zr	⁹⁴Zr
41	⁸⁸Nb	⁹⁴Nb
42	⁸⁹Mo	⁹⁴Mo
43	⁹⁰Tc	⁹⁴Tc
44	⁹¹Ru	⁹⁴Ru
45	⁹²Rh	⁹⁴Rh
46	⁹³Pd	⁹⁴Pd
47	⁹⁴Ag	⁹⁴Ag
48	⁹⁵Cd	⁹⁴Cd
49	⁹⁶In