{{위키데이터 속성 추적}}
자연계에 존재하는 [[이트륨]]의 [[안정 동위 원소]]는 1종이며, <sup>89</sup>Y이 100% 존재한다.

인공적으로 만들어진 이트륨의 동위 원소는 <sup>76</sup>Y부터 <sup>108</sup>Y까지인데 <sup>88</sup>Y이 반감기 106.62일로 가장 길다.
<sup>90</sup>Y은 <sup>90</sup>Sr으로 붕괴해 온 [[핵분열 생성물]]로써 [[반감기]]는 64.053시간이며, <sup>91</sup>Y의 반감기는 58.5일로 이트륨의 [[핵분열 생성물]]들 중 반감기가 가장 길다.

== 표 ==
{| class="wikitable" style="font-size:95%; white-space:nowrap"
! rowspan="2" | 핵자<br />수
! Z([[양성자|p]])
! N([[중성자|n]])
! &nbsp;<br />동위 원소 질량 (u)<br />&nbsp;
! rowspan="2" | 반감기
! rowspan="2" | 붕괴<br />방식<ref>http://www.nucleonica.net/unc.aspx</ref><ref group="n">약어:<br />IT: [[이성질핵 전이]]</ref>
! rowspan="2" | 붕괴 생성<br />동위 원소<ref group="n">안정 동위 원소는 굵은체로 표기, 우주의 나이보다 반감기가 긴 동위 원소의 반감기는 굵은 흘림체로 표기</ref>
! rowspan="2" | 핵<br />스핀
! rowspan="2" | 자연계에 존재하는<br />동위 원소<br />범위<br />(몰 분율)
! rowspan="2" | 자연계에 존재하는<br />최대 범위<br />(몰 분율)
|-
! colspan="3" | 들뜬 에너지
|-
| <sup>76</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 37
| 75.95845(54)#
| 500# ns [>170 ns]
|
|
|
|
|-
| rowspan=2|<sup>77</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 38
| rowspan=2|76.94965(7)#
| rowspan=2|63(17) ms
| [[양성자 방출|p]] (>99.9%)
| <sup>76</sup>Sr
| rowspan=2|5/2+#
| rowspan=2|
| rowspan=2|
|-
| [[베타 붕괴|β<sup>+</sup>]] (<0.1%)
| <sup>77</sup>Sr
|-
| <sup>78</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 39
| 77.94361(43)#
| 54(5) ms
| β<sup>+</sup>
| <sup>78</sup>Sr
| (0+)
|
|
|-
| style="text-indent:1em" | <sup>78m</sup>Y
| colspan="3" style="text-indent:2em" | 0(500)# keV
| 5.8(5) s
|
|
| 5+#
|
|
|-
| rowspan=2|<sup>79</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 40
| rowspan=2|78.93735(48)
| rowspan=2|14.8(6) s
| β<sup>+</sup> (>99.9%)
| <sup>79</sup>Sr
| rowspan=2|(5/2+)#
| rowspan=2|
| rowspan=2|
|-
| β<sup>+</sup>, p (<0.1%)
| <sup>78</sup>Rb
|-
| <sup>80</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 41
| 79.93428(19)
| 30.1(5) s
| β<sup>+</sup>
| <sup>80</sup>Sr
| 4-
|
|
|-
| style="text-indent:1em" | <sup>80m1</sup>Y
| colspan="3" style="text-indent:2em" | 228.5(1) keV
| 4.8(3) s
|
|
| (1-)
|
|
|-
| style="text-indent:1em" | <sup>80m2</sup>Y
| colspan="3" style="text-indent:2em" | 312.6(9) keV
| 4.7(3) µs
|
|
| (2+)
|
|
|-
| <sup>81</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 42
| 80.92913(7)
| 70.4(10) s
| β<sup>+</sup>
| <sup>81</sup>Sr
| (5/2+)
|
|
|-
| <sup>82</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 43
| 81.92679(11)
| 8.30(20) s
| β<sup>+</sup>
| <sup>82</sup>Sr
| 1+
|
|
|-
| style="text-indent:1em" | <sup>82m1</sup>Y
| colspan="3" style="text-indent:2em" | 402.63(14) keV
| 268(25) ns
|
|
| 4-
|
|
|-
| style="text-indent:1em" | <sup>82m2</sup>Y
| colspan="3" style="text-indent:2em" | 507.50(13) keV
| 147(7) ns
|
|
| 6+
|
|
|-
| <sup>83</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 44
| 82.92235(5)
| 7.08(6) min
| β<sup>+</sup>
| <sup>83</sup>Sr
| 9/2+
|
|
|-
| rowspan=2 style="text-indent:1em" | <sup>83m</sup>Y
| rowspan=2 colspan="3" style="text-indent:2em" | 61.98(11) keV
| rowspan=2|2.85(2) min
| β<sup>+</sup> (60%)
| <sup>83</sup>Sr
| rowspan=2|(3/2-)
| rowspan=2|
| rowspan=2|
|-
| [[이성질핵 전이|IT]] (40%)
| <sup>83</sup>Y
|-
| <sup>84</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 45
| 83.92039(10)
| 4.6(2) s
| β<sup>+</sup>
| '''<sup>84</sup>Sr'''
| 1+
|
|
|-
| style="text-indent:1em" | <sup>84m</sup>Y
| colspan="3" style="text-indent:2em" | -80(190) keV
| 39.5(8) min
| β<sup>+</sup>
| '''<sup>84</sup>Sr'''
| (5-)
|
|
|-
| <sup>85</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 46
| 84.916433(20)
| 2.68(5) h
| β<sup>+</sup>
| <sup>85</sup>Sr
| (1/2)-
|
|
|-
| rowspan=2 style="text-indent:1em" | <sup>85m1</sup>Y
| rowspan=2 colspan="3" style="text-indent:2em" | 19.8(5) keV
| rowspan=2|4.86(13) h
| β<sup>+</sup> (99.998%)
| <sup>85</sup>Sr
| rowspan=2|9/2+
| rowspan=2|
| rowspan=2|
|-
| IT (0.002%)
| <sup>85</sup>Y
|-
| style="text-indent:1em" | <sup>85m2</sup>Y
| colspan="3" style="text-indent:2em" | 266.30(20) keV
| 178(6) ns
|
|
| 5/2-
|
|
|-
| <sup>86</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 47
| 85.914886(15)
| 14.74(2) h
| β<sup>+</sup>
| '''<sup>86</sup>Sr'''
| 4-
|
|
|-
| rowspan=2 style="text-indent:1em" | <sup>86m1</sup>Y
| rowspan=2 colspan="3" style="text-indent:2em" | 218.30(20) keV
| rowspan=2|48(1) min
| IT (99.31%)
| <sup>86</sup>Y
| rowspan=2|(8+)
| rowspan=2|
| rowspan=2|
|-
| β<sup>+</sup> (.69%)
| '''<sup>86</sup>Sr'''
|- 
| style="text-indent:1em" | <sup>86m2</sup>Y
| colspan="3" style="text-indent:2em" | 302.2(5) keV
| 125(6) ns
|
|
| (7-)
|
|
|-
| <sup>87</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 48
| 86.9108757(17)
| 79.8(3) h
| β<sup>+</sup>
| '''<sup>87</sup>Sr'''
| 1/2-
|
|
|-
| rowspan=2 style="text-indent:1em" | <sup>87m</sup>Y
| rowspan=2 colspan="3" style="text-indent:2em" | 380.82(7) keV
| rowspan=2|13.37(3) h
| IT (98.43%)
| <sup>87</sup>Y
| rowspan=2|9/2+
| rowspan=2|
| rowspan=2|
|-
| β<sup>+</sup> (1.56%)
| '''<sup>87</sup>Sr'''
|-
| <sup>88</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 49
| 87.9095011(20)
| 106.616(13) d
| β<sup>+</sup>
| '''<sup>88</sup>Sr'''
| 4-
|
|
|-
| style="text-indent:1em" | <sup>88m1</sup>Y
| colspan="3" style="text-indent:2em" | 674.55(4) keV
| 13.9(2) ms
| IT
| <sup>88</sup>Y
| (8)+
|
|
|-
| style="text-indent:1em" | <sup>88m2</sup>Y
| colspan="3" style="text-indent:2em" | 392.86(9) keV
| 300(3) µs
|
|
| 1+
|
|
|-
| <sup>89</sup>Y<ref group="n" name="FP">[[핵분열 생성물]]</ref>
| style="text-align:right" | 39
| style="text-align:right" | 50
| 88.9058483(27)
| colspan=3 align=center|'''안정'''
| 1/2-
| 1.0000
|
|-
| style="text-indent:1em" | <sup>89m</sup>Y
| colspan="3" style="text-indent:2em" | 908.97(3) keV
| 15.663(5) s
| IT
| '''<sup>89</sup>Y'''
| 9/2+
|
|
|-
| <sup>90</sup>Y<ref group="n" name="FP" />
| style="text-align:right" | 39
| style="text-align:right" | 51
| 89.9071519(27)
| 64.053(20) h
| β<sup>-</sup>
| '''<sup>90</sup>Zr'''
| 2-
|
|
|-
| rowspan=2 style="text-indent:1em" | <sup>90m</sup>Y
| rowspan=2 colspan="3" style="text-indent:2em" | 681.67(10) keV
| rowspan=2|3.19(6) h
| IT (99.99%)
| <sup>90</sup>Y
| rowspan=2|7+
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup> (.0018%)
| '''<sup>90</sup>Zr'''
|-
| <sup>91</sup>Y<ref group="n" name="FP" />
| style="text-align:right" | 39
| style="text-align:right" | 52
| 90.907305(3)
| 58.51(6) d
| β<sup>-</sup>
| '''<sup>91</sup>Zr'''
| 1/2-
|
|
|-
| rowspan=2 style="text-indent:1em" | <sup>91m</sup>Y
| rowspan=2 colspan="3" style="text-indent:2em" | 555.58(5) keV
| rowspan=2|49.71(4) min
| IT (98.5%)
| <sup>91</sup>Y
| rowspan=2|9/2+
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup> (1.5%)
| '''<sup>91</sup>Zr'''
|-
| <sup>92</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 53
| 91.908949(10)
| 3.54(1) h
| β<sup>-</sup>
| '''<sup>92</sup>Zr'''
| 2-
|
|
|-
| <sup>93</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 54
| 92.909583(11)
| 10.18(8) h
| β<sup>-</sup>
| <sup>93</sup>Zr
| 1/2-
|
|
|-
| style="text-indent:1em" | <sup>93m</sup>Y
| colspan="3" style="text-indent:2em" | 758.719(21) keV
| 820(40) ms
| IT
| <sup>93</sup>Y
| 7/2+
|
|
|-
| <sup>94</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 55
| 93.911595(8)
| 18.7(1) min
| β<sup>-</sup>
| '''<sup>94</sup>Zr'''
| 2-
|
|
|-
| <sup>95</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 56
| 94.912821(8)
| 10.3(1) min
| β<sup>-</sup>
| <sup>95</sup>Zr
| 1/2-
|
|
|-
| <sup>96</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 57
| 95.915891(25)
| 5.34(5) s
| β<sup>-</sup>
| '''''<sup>96</sup>Zr'''''
| 0-
|
|
|-
| style="text-indent:1em" | <sup>96m</sup>Y
| colspan="3" style="text-indent:2em" | 1140(30) keV
| 9.6(2) s
| β<sup>-</sup>
| '''''<sup>96</sup>Zr'''''
| (8)+
|
|
|-
| rowspan=2|<sup>97</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 58
| rowspan=2|96.918134(13)
| rowspan=2|3.75(3) s
| β<sup>-</sup> (99.942%)
| <sup>97</sup>Zr
| rowspan=2|(1/2-)
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, [[중성자 방출|n]] (.058%)
| '''''<sup>96</sup>Zr'''''
|-
| rowspan=3 style="text-indent:1em" | <sup>97m1</sup>Y
| rowspan=3 colspan="3" style="text-indent:2em" | 667.51(23) keV
| rowspan=3|1.17(3) s
| β<sup>-</sup> (99.3%)
| <sup>97</sup>Zr
| rowspan=3|(9/2)+
| rowspan=3|
| rowspan=3|
|-
| IT (.7%)
| <sup>97</sup>Y
|-
| β<sup>-</sup>, n (.08%)
| '''''<sup>96</sup>Zr'''''
|-
| style="text-indent:1em" | <sup>97m2</sup>Y
| colspan="3" style="text-indent:2em" | 3523.3(4) keV
| 142(8) ms
|
|
| (27/2-)
|
|
|-
| rowspan=2|<sup>98</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 59
| rowspan=2|97.922203(26)
| rowspan=2|0.548(2) s
| β<sup>-</sup> (99.669%)
| <sup>98</sup>Zr
| rowspan=2|(0)-
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n (.331%)
| <sup>97</sup>Zr
|-
| style="text-indent:1em" | <sup>98m1</sup>Y
| colspan="3" style="text-indent:2em" | 170.74(6) keV
| 620(80) ns
|
|
| (2)-
| 
| 
|-
| rowspan=3 style="text-indent:1em" | <sup>98m2</sup>Y
| rowspan=3 colspan="3" style="text-indent:2em" | 410(30) keV
| rowspan=3|2.0(2) s
| β<sup>-</sup> (86.6%)
| <sup>98</sup>Zr
| rowspan=3|(5+,4-)
| rowspan=3|
| rowspan=3|
|-
| IT (10%)
| <sup>98</sup>Y
|-
| β<sup>-</sup>, n (3.4%)
| <sup>97</sup>Zr
|-
| style="text-indent:1em" | <sup>98m3</sup>Y
| colspan="3" style="text-indent:2em" | 496.19(15) keV
| 7.6(4) µs
|
|
| (2-)
|
|
|-
| style="text-indent:1em" | <sup>98m4</sup>Y
| colspan="3" style="text-indent:2em" | 1181.1(4) keV
| 0.83(10) µs
|
|
| (8-)
|
|
|-
| rowspan=2|<sup>99</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 60
| rowspan=2|98.924636(26)
| rowspan=2|1.470(7) s
| β<sup>-</sup> (98.1%)
| <sup>99</sup>Zr
| rowspan=2|(5/2+)
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n (1.9%)
| <sup>98</sup>Zr
|-
| style="text-indent:1em" | <sup>99m</sup>Y
| colspan="3" style="text-indent:2em" | 2141.65(19) keV
| 8.6(8) µs
|
|
| (17/2+)
|
|
|-
| rowspan=2|<sup>100</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 61
| rowspan=2|99.92776(8)
| rowspan=2|735(7) ms
| β<sup>-</sup> (98.98%)
| <sup>100</sup>Zr
| rowspan=2|1-,2-
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n (1.02%)
| <sup>99</sup>Zr
|-
| style="text-indent:1em" | <sup>100m</sup>Y
| colspan="3" style="text-indent:2em" | 200(200)# keV
| 940(30) ms
| β<sup>-</sup>
| <sup>100</sup>Zr
| (3,4,5)(+#)
|
|
|-
| rowspan=2|<sup>101</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 62
| rowspan=2|100.93031(10)
| rowspan=2|426(20) ms
| β<sup>-</sup> (98.06%)
| <sup>101</sup>Zr
| rowspan=2|(5/2+)
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n (1.94%)
| <sup>100</sup>Zr
|-
| rowspan=2|<sup>102</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 63
| rowspan=2|101.93356(9)
| rowspan=2|0.30(1) s
| β<sup>-</sup> (95.1%)
| <sup>102</sup>Zr
| rowspan=2|
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n (4.9%)
| <sup>101</sup>Zr
|-
| rowspan=2 style="text-indent:1em" | <sup>102m</sup>Y
| rowspan=2 colspan="3" style="text-indent:2em" | 200(200)# keV
| rowspan=2|360(40) ms
| β<sup>-</sup> (94%)
| <sup>102</sup>Zr
| rowspan=2|high
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n (6%)
| <sup>101</sup>Zr
|-
| rowspan=2|<sup>103</sup>Y
| rowspan=2 style="text-align:right" | 39
| rowspan=2 style="text-align:right" | 64
| rowspan=2|102.93673(32)#
| rowspan=2|224(19) ms
| β<sup>-</sup> (91.7%)
| <sup>103</sup>Zr
| rowspan=2|5/2+#
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n (8.3%)
| <sup>102</sup>Zr
|-
| <sup>104</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 65
| 103.94105(43)#
| 180(60) ms
| β<sup>-</sup>
| <sup>104</sup>Zr
|
|
|
|-
| <sup>105</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 66
| 104.94487(54)#
| 60# ms [>300 ns]
| β<sup>-</sup>
| <sup>105</sup>Zr
| 5/2+#
|
|
|-
| <sup>106</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 67
| 105.94979(75)#
| 50# ms [>300 ns]
| β<sup>-</sup>
| <sup>106</sup>Zr
|
|
|
|-
| <sup>107</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 68
| 106.95414(54)#
| 30# ms [>300 ns]
|
|
| 5/2+#
|
|
|-
| <sup>108</sup>Y
| style="text-align:right" | 39
| style="text-align:right" | 69
| 107.95948(86)#
| 20# [>300 ns]
|
|
|
|
|
|}
{{각주|group="n"}}

== 각주 ==
{{각주}}

{{동위 원소 색인}}

[[분류:이트륨|동위 원소]]
[[분류:이트륨 동위 원소| ]]
[[분류:원소별 동위 원소 목록]]