中子嘅同位素
閱讀設定
喺中子嘅同位素(或者0號元素嘅同位素)入面,只係有1n比較穩定,半衰期最長(614.6秒),其他嘅同位素非常唔穩定(1n指自由中子)。
雖然0號元素喺科學文獻重有用到(故此稱為中子嘅同位素),無論係一個物質形式,定作係一個元素,有報道話,除咗自由中子,有可能有兩個中子冇質子或多個中子冇質子嘅嘅結合形式[1],於2012年正式觀測到2n,並測得半衰期為10−22秒。
4n、5n等,可能比較穩定,喺2004年嘅法國,發現咗4個一齊嘅中子,叫做0號元素[2][3]。但3n根據目前嘅模型睇,應該比其他嘅更唔穩定,所以冇列。
重有,0n只係符號,唔代表任何嘢,因為冇嘢,所以冇列。
同位素
[編輯]符號 | Z(p) | N(n) | 質量(原子質量單位) | 半衰期 | 原子核自旋 | 相對豐度 | 相對豐度嘅變化率 |
---|---|---|---|---|---|---|---|
1Nu | 0 | 1 | 1.00866 | 10分鐘(611.0秒[4]) | 1/2+ | ||
2Nu | 0 | 2 | 2.01732 | 10−22秒[5] | 0+ | ||
4Nu[6][7][8] | 0 | 4 | 4.043# | 0+ # | |||
5Nu[9] | 0 | 5 | (5.04) | (3/2)- # | |||
6Nu[10] | 0 | 6 | (6.05)# | ||||
11Nu[10] | 0 | 11 | (11.1)# | ||||
20Nu[10] | 0 | 20 | (20.17)# |
備註:畫上#號嘅數據代表冇經過實驗嘅證明,只係理論推測,而用咗括號括係代表數據唔確定。
參考
[編輯]- ↑ Timofeyuk, N. K. (2003). "Do multineutrons exist?". Journal of Physics G. 29 (2): L9. arXiv:nucl-th/0301020. Bibcode:2003JPhG...29L...9T. doi:10.1088/0954-3899/29/2/102.
- ↑ von Antropoff, A. (1926). "Eine neue Form des periodischen Systems der Elementen". Z. Angew. Chem. 39 (23): 722–725. . 原著 (PDF)喺2020-05-02歸檔. 喺2007-12-12搵到.
- ↑ Stewart, Philip J. (October 2007). "A century on from Dmitrii Mendeleev: tables and spirals, noble gases and Nobel prizes". Foundations of Chemistry. 9 (3): 235–245. . 喺2007-12-12搵到.
{{cite journal}}
: CS1 maint: url-status (link) - ↑ K. Nakamura et al. (Particle Data Group), J. Phys. G 37, 075021 (2010) and 2011 partial update for the 2012 edition.
- ↑ Spyrou, A (March 9, 2012). "First Observation of Ground State Dineutron Decay: 16Be". Phys. Rev. Lett. 108, 102501 (2012). Bibcode:2012PhyOJ...5...30S. doi:10.1103/Physics.5.30.
{{cite journal}}
: More than one of|author=
、|last=
specified (help) - ↑
Marqués, F. M. (2002). "Detection of neutron clusters". Physical Review C. 65 (4): 044006. arXiv:nucl-ex/0111001. Bibcode:2002PhRvC..65d4006M. doi:10.1103/PhysRevC.65.044006.
{{cite journal}}
: Unknown parameter|coauthors=
ignored (|author=
suggested) (help) - ↑ Bertulani, C. A.; Zelevinsky, V. (2002). "Is the tetraneutron a bound dineutron-dineutron molecule?". Journal of Physics G. 29 (10): 2431. arXiv:nucl-th/0212060. Bibcode:2003JPhG...29.2431B. doi:10.1088/0954-3899/29/10/309.
- ↑
Timofeyuk, N. K. (2002). "On the existence of a bound tetraneutron". arXiv:nucl-th/0203003.
{{cite arxiv}}
:|class=
ignored (help) - ↑ Bevelacqua, J. J. (1981). "Particle stability of the pentaneutron". Physics Letters B. 102 (2–3): 79–80. Bibcode:1981PhLB..102...79B. doi:10.1016/0370-2693(81)91033-9.
- ↑ 10.0 10.1 10.2 How? If this stretch of five species is simply repeated it would seem to indicate that the hexaneutron (with six neutrons), hendecaneutron (with 11 neutrons), and hexadecaneutron (with 16 neutrons), are all stable, bound clusters.Bevelacqua, J. J. (1981). "Particle stability of the pentaneutron". Physics Letters B. 102 (2–3): 79–80. Bibcode:1981PhLB..102...79B. doi:10.1016/0370-2693(81)91033-9.
← | 同位素一覽 | → |
同位素 | 中子嘅同位素 | 氫嘅同位素 |
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0 n | |||||||||||||||||||||||||||||||||||||||||||||||
1 H |
2 He | ||||||||||||||||||||||||||||||||||||||||||||||
3 Li |
4 Be |
5 B |
6 C |
7 N |
8 O |
9 F |
10 Ne | ||||||||||||||||||||||||||||||||||||||||
11 Na |
12 Mg |
13 Al |
14 Si |
15 P |
16 S |
17 Cl |
18 Ar | ||||||||||||||||||||||||||||||||||||||||
19 K |
20 Ca |
21 Sc |
22 Ti |
23 V |
24 Cr |
25 Mn |
26 Fe |
27 Co |
28 Ni |
29 Cu |
30 Zn |
31 Ga |
32 Ge |
33 As |
34 Se |
35 Br |
36 Kr | ||||||||||||||||||||||||||||||
37 Rb |
38 Sr |
39 Y |
40 Zr |
41 Nb |
42 Mo |
43 Tc |
44 Ru |
45 Rh |
46 Pd |
47 Ag |
48 Cd |
49 In |
50 Sn |
51 Sb |
52 Te |
53 I |
54 Xe | ||||||||||||||||||||||||||||||
55 Cs |
56 Ba |
57 La |
58 Ce |
59 Pr |
60 Nd |
61 Pm |
62 Sm |
63 Eu |
64 Gd |
65 Tb |
66 Dy |
67 Ho |
68 Er |
69 Tm |
70 Yb |
71 Lu |
72 Hf |
73 Ta |
74 W |
75 Re |
76 Os |
77 Ir |
78 Pt |
79 Au |
80 Hg |
81 Tl |
82 Pb |
83 Bi |
84 Po |
85 At |
86 Rn | ||||||||||||||||
87 Fr |
88 Ra |
89 Ac |
90 Th |
91 Pa |
92 U |
93 Np |
94 Pu |
95 Am |
96 Cm |
97 Bk |
98 Cf |
99 Es |
100 Fm |
101 Md |
102 No |
103 Lr |
104 Rf |
105 Db |
106 Sg |
107 Bh |
108 Hs |
109 Mt |
110 Ds |
111 Rg |
112 Cn |
113 Nh |
114 Fl |
115 Mc |
116 Lv |
117 Ts |
118 Og | ||||||||||||||||
119 Uue | |||||||||||||||||||||||||||||||||||||||||||||||
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