钪(原子量:44.955907(4))共有37个同位素,其中有1个是稳定的。
Quick Facts 同位素, 衰变 ...
主要的钪同位素
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标准原子质量 (Ar, 标准) | - 7001449559070000000♠44.955907(4)[1]
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Close
More information 符号, Z ...
符号
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Z
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N
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同位素质量(u) [n 1][n 2]
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半衰期 [n 1][n 2]
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衰变 方式[2]
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衰变 产物 [n 3]
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原子核 自旋[n 1]
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相对丰度 (莫耳分率)[n 2]
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激发能量[n 2]
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39Sc
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21
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18
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38.984790(26)
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<300 ns
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p
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38Ca
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(7/2−)#
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40Sc
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21
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19
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39.977967(3)
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182.3(7) ms
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β+ (99.54%)
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40Ca
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4-
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β+, p (.44%)
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39K
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β+, α (.017%)
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36Ar
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41Sc
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21
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20
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40.96925113(24)
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596.3(17) ms
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β+
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41Ca
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7/2−
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42Sc
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21
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21
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41.96551643(29)
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681.3(7) ms
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β+
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42Ca
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0+
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42mSc
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616.28(6) keV
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61.7(4) s
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β+
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42Ca
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(7,5,6)+
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43Sc
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21
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22
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42.9611507(20)
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3.891(12) h
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β+
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43Ca
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7/2−
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43m1Sc
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151.4(2) keV
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438(7) µs
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3/2+
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43m2Sc
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3123.2(3) keV
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470(4) ns
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(19/2)−
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44 Sc
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21
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23
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43.9594028(19)
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3.97(4) h
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β+
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44Ca
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2+
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44m1Sc
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67.8680(14) keV
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154.2(8) ns
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1−
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44m2Sc
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270.95(20) keV
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58.61(10) h
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IT (98.8%)
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44Sc
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6+
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β+ (1.2%)
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44Ca
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44m3Sc
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146.224(22) keV
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50.4(7) µs
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0-
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45 Sc
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21
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24
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44.9559119(9)
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稳定
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7/2−
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1.0000
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45mSc
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12.40(5) keV
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318(7) ms
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IT
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45Sc
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3/2+
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46Sc
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21
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25
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45.9551719(9)
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83.79(4) d
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β−
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46Ti
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4+
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46m1Sc
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52.011(1) keV
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9.4(8) µs
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6+
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46m2Sc
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142.528(7) keV
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18.75(4) s
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IT
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46Sc
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1−
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47Sc
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21
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26
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46.9524075(22)
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3.3492(6) d
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β−
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47Ti
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7/2−
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47mSc
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766.83(9) keV
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272(8) ns
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(3/2)+
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48Sc
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21
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27
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47.952231(6)
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43.67(9) h
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β−
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48Ti
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6+
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49Sc
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21
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28
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48.950024(4)
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57.2(2) min
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β−
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49Ti
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7/2−
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50Sc
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21
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29
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49.952188(17)
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102.5(5) s
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β−
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50Ti
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5+
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50mSc
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256.895(10) keV
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350(40) ms
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IT (97.5%)
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50Sc
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2+,3+
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β− (2.5%)
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50Ti
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51Sc
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21
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30
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50.953603(22)
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12.4(1) s
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β−
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51Ti
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(7/2)−
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52Sc
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21
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31
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51.95668(21)
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8.2(2) s
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β−
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52Ti
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3(+)
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53Sc
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21
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32
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52.95961(32)#
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>3 s
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β− (>99.9%)
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53Ti
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(7/2−)#
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β−, n (<.1%)
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52Ti
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54Sc
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21
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33
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53.96326(40)
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260(30) ms
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β− (>99.9%)
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54Ti
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3+#
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β−, n (<.1%)
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53Ti
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54mSc
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110(3) keV
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7(5) µs
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(5+)
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55Sc
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21
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34
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54.96824(79)
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0.115(15) s
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β− (>99.9%)
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55Ti
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7/2−#
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β−, n (<.1%)
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54Ti
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56Sc
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21
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35
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55.97287(75)#
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35(5) ms
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β−
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56Ti
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(1+)
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57Sc
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21
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36
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56.97779(75)#
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13(4) ms
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β−
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57Ti
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7/2−#
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58Sc
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21
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37
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57.98371(86)#
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12(5) ms
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β−
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58Ti
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(3+)#
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59Sc
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21
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38
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58.98922(97)#
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10# ms
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β−, n
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58Ti
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7/2−#
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β−
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59Ti
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60Sc
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21
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39
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59.99571(97)#
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3# ms
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3+#
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61Sc
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21
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40
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(60.99955348)#
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Close
画上#号的数据代表没有经过实验的证明,仅为理论推测。
Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 (英语).
- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties (页面存档备份,存于互联网档案馆), Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (页面存档备份,存于互联网档案馆) (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.