{{위키데이터 속성 추적}}
자연계에 존재하는 [[제논 (원소)|제논]]의 [[안정 동위 원소]]는 8종으로 [[주석 (원소)|주석]] 다음으로 가장 많다. <sup>136</sup>Xe은 [[반감기]]가 2.38 x 10<sup>21</sup> 년으로 매우 길어 안정 동위 원소로 취급하고 있다.

<sup>133</sup>Xe [[원자로]]에서 [[핵분열]] 생성물로 다량 생성되며 반감기는 5.2475일로 [[핵의학]]에 이용된다.

== 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 />ε: [[전자 포획]]<br />IT: [[이성질핵 전이]]</ref>
! rowspan="2" | 붕괴 생성<br />동위 원소<ref group="n">안정 동위 원소는 굵은 글씨로 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
|-
| rowspan=2|<sup>110</sup>Xe
| rowspan=2 style="text-align:right" | 54
| rowspan=2 style="text-align:right" | 56
| rowspan=2|109.94428(14)
| rowspan=2|310(190) ms<br />[105(+35-25) ms]
| [[베타 붕괴|β<sup>+</sup>]]
| <sup>110</sup>I
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| [[알파 붕괴|α]]
| <sup>106</sup>Te
|-
| rowspan=2|<sup>111</sup>Xe
| rowspan=2 style="text-align:right" | 54
| rowspan=2 style="text-align:right" | 57
| rowspan=2|110.94160(33)#
| rowspan=2|740(200) ms
| β<sup>+</sup> (90%)
| <sup>111</sup>I
| rowspan=2|5/2+#
| rowspan=2|
| rowspan=2|
|-
| α (10%)
| <sup>107</sup>Te
|-
| rowspan=2|<sup>112</sup>Xe
| rowspan=2 style="text-align:right" | 54
| rowspan=2 style="text-align:right" | 58
| rowspan=2|111.93562(11)
| rowspan=2|2.7(8) s
| β<sup>+</sup> (99.1%)
| <sup>112</sup>I
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| α (0.9%)
| <sup>108</sup>Te
|-
| rowspan=4|<sup>113</sup>Xe
| rowspan=4 style="text-align:right" | 54
| rowspan=4 style="text-align:right" | 59
| rowspan=4|112.93334(9)
| rowspan=4|2.74(8) s
| β<sup>+</sup> (92.98%)
| <sup>113</sup>I
| rowspan=4|(5/2+)#
| rowspan=4|
| rowspan=4|
|-
| β<sup>+</sup>, [[양성자 방출|p]] (7%)
| <sup>112</sup>Te
|-
| α (0.011%)
| <sup>109</sup>Te
|-
| β<sup>+</sup>, α (0.007%)
| <sup>109</sup>Sb
|-
| <sup>114</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 60
| 113.927980(12)
| 10.0(4) s
| β<sup>+</sup>
| <sup>114</sup>I
| 0+
|
|
|-
| rowspan=3|<sup>115</sup>Xe
| rowspan=3 style="text-align:right" | 54
| rowspan=3 style="text-align:right" | 61
| rowspan=3|114.926294(13)
| rowspan=3|18(4) s
| β<sup>+</sup> (99.65%)
| <sup>115</sup>I
| rowspan=3|(5/2+)
| rowspan=3|
| rowspan=3|
|-
| β<sup>+</sup>, p (0.34%)
| <sup>114</sup>Te
|-
| β<sup>+</sup>, α (3×10<sup>−4</sup>%)
| <sup>111</sup>Sb
|-
| <sup>116</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 62
| 115.921581(14)
| 59(2) s
| β<sup>+</sup>
| <sup>116</sup>I
| 0+
|
|
|-
| rowspan=2|<sup>117</sup>Xe
| rowspan=2 style="text-align:right" | 54
| rowspan=2 style="text-align:right" | 63
| rowspan=2|116.920359(11)
| rowspan=2|61(2) s
| β<sup>+</sup> (99.99%)
| <sup>117</sup>I
| rowspan=2|5/2(+)
| rowspan=2|
| rowspan=2|
|-
| β<sup>+</sup>, p (0.0029%)
| <sup>116</sup>Te
|-
| <sup>118</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 64
| 117.916179(11)
| 3.8(9) min
| β<sup>+</sup>
| <sup>118</sup>I
| 0+
|
|
|-
| <sup>119</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 65
| 118.915411(11)
| 5.8(3) min
| β<sup>+</sup>
| <sup>119</sup>I
| 5/2(+)
|
|
|-
| <sup>120</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 66
| 119.911784(13)
| 40(1) min
| β<sup>+</sup>
| <sup>120</sup>I
| 0+
|
|
|-
| <sup>121</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 67
| 120.911462(12)
| 40.1(20) min
| β<sup>+</sup>
| <sup>121</sup>I
| (5/2+)
|
|
|-
| <sup>122</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 68
| 121.908368(12)
| 20.1(1) h
| β<sup>+</sup>
| <sup>122</sup>I
| 0+
|
|
|-
| <sup>123</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 69
| 122.908482(10)
| 2.08(2) h
| [[전자 포획|ε]]
| <sup>123</sup>I
| 1/2+
|
|
|-
| style="text-indent:1em" | <sup>123m</sup>Xe
| colspan="3" style="text-indent:2em" | 185.18(22) keV
| 5.49(26) µs
|
|
| 7/2(-)
|
|
|-
| <sup>124</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 70
| 123.905893(2)
| colspan=3 align=center|'''관찰 안정'''<ref group="n">이론적으로는 β<sup>+</sup>β<sup>+</sup> 붕괴를 통해 '''<sup>124</sup>Te'''으로 붕괴할 것이며 반감기는 4.8 x 10<sup>19</sup> 년을 초과할 것으로 예상된다.</ref>
| 0+
| 9.52(3)×10<sup>−4</sup>
|
|-
| <sup>125</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 71
| 124.9063955(20)
| 16.9(2) h
| β<sup>+</sup>
| <sup>125</sup>I
| 1/2(+)
|
|
|-
| style="text-indent:1em" | <sup>125m1</sup>Xe
| colspan="3" style="text-indent:2em" | 252.60(14) keV
| 56.9(9) s
| [[이성질핵 전이|IT]]
| <sup>125</sup>Xe
| 9/2(-)
|
|
|-
| style="text-indent:1em" | <sup>125m2</sup>Xe
| colspan="3" style="text-indent:2em" | 295.86(15) keV
| 0.14(3) µs
|
|
| 7/2(+)
|
|
|-
| <sup>126</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 72
| 125.904274(7)
| colspan=3 align=center|'''안정'''<ref group="n">β<sup>+</sup>β<sup>+</sup> 붕괴를 통해 '''<sup>126</sup>Te'''으로 붕괴할 수 있다.</ref>
| 0+
| 8.90(2)×10<sup>−4</sup>
|
|-
| <sup>127</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 73
| 126.905184(4)
| 36.345(3) d
| ε
| '''<sup>127</sup>I'''
| 1/2+
|
|
|-
| style="text-indent:1em" | <sup>127m</sup>Xe
| colspan="3" style="text-indent:2em" | 297.10(8) keV
| 69.2(9) s
| IT
| <sup>127</sup>Xe
| 9/2-
|
|
|-
| <sup>128</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 74
| 127.9035313(15)
| colspan=3 align=center|'''안정'''<ref group="n" name="SF">이론상으로 [[자발 핵분열]]을 할 수 있다.</ref>
| 0+
| 0.019102(8)
|
|-
| <sup>129</sup>Xe<ref group="n">아이오딘-129를 이용한 방사성 연대측정에 이용하여 지하수와 태양계의 주요 사건을 추론하는데 응용.</ref>
| style="text-align:right" | 54
| style="text-align:right" | 75
| 128.9047794(8)
| colspan=3 align=center|'''안정'''<ref group="n" name="SF" />
| 1/2+
| 0.264006(82)
|
|-
| style="text-indent:1em" | <sup>129m</sup>Xe
| colspan="3" style="text-indent:2em" | 236.14(3) keV
| 8.88(2) d
| IT
| '''<sup>129</sup>Xe'''
| 11/2-
|
|
|-
| <sup>130</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 76
| 129.9035080(8)
| colspan=3 align=center|'''안정'''<ref group="n" name="SF" />
| 0+
| 0.040710(13)
|
|-
| <sup>131</sup>Xe<ref group="n" name="FP">[[핵분열 생성물]]</ref>
| style="text-align:right" | 54
| style="text-align:right" | 77
| 130.9050824(10)
| colspan=3 align=center|'''안정'''<ref group="n" name="SF" />
| 3/2+
| 0.212324(30)
|
|-
| style="text-indent:1em" | <sup>131m</sup>Xe
| colspan="3" style="text-indent:2em" | 163.930(8) keV
| 11.934(21) d
| IT
| '''<sup>131</sup>Xe'''
| 11/2-
|
|
|-
| <sup>132</sup>Xe<ref group="n" name="FP" />
| style="text-align:right" | 54
| style="text-align:right" | 78
| 131.9041535(10)
| colspan=3 align=center|'''안정'''<ref group="n" name="SF" />
| 0+
| 0.269086(33)
|
|-
| style="text-indent:1em" | <sup>132m</sup>Xe
| colspan="3" style="text-indent:2em" | 2752.27(17) keV
| 8.39(11) ms
| IT
| '''<sup>132</sup>Xe'''
| (10+)
|
|
|-
| <sup>133</sup>Xe<ref group="n" name="FP" /><ref group="n">핵 의학에 이용.</ref>
| style="text-align:right" | 54
| style="text-align:right" | 79
| 132.9059107(26)
| 5.2475(5) d
| β<sup>-</sup>
| '''<sup>133</sup>Cs'''
| 3/2+
|
|
|-
| style="text-indent:1em" | <sup>133m</sup>Xe
| colspan="3" style="text-indent:2em" | 233.221(18) keV
| 2.19(1) d
| IT
| <sup>133</sup>Xe
| 11/2-
|
|
|-
| <sup>134</sup>Xe<ref group="n" name="FP" />
| style="text-align:right" | 54
| style="text-align:right" | 80
| 133.9053945(9)
| colspan=3 align=center|'''관찰 안정'''<ref group="n">이론적으로는 β<sup>-</sup>β<sup>-</sup> 붕괴를 통해 '''<sup>134</sup>Ba'''으로 붕괴할 것이며, 반감기는 5.6×10<sup>22</sup> 년을 초과할 것으로 예상된다.</ref>
| 0+
| 0.104357(21)
|
|-
| style="text-indent:1em" | <sup>134m1</sup>Xe
| colspan="3" style="text-indent:2em" | 1965.5(5) keV
| 290(17) ms
| IT
| '''<sup>134</sup>Xe'''
| 7-
|
|
|-
| style="text-indent:1em" | <sup>134m2</sup>Xe
| colspan="3" style="text-indent:2em" | 3025.2(15) keV
| 5(1) µs
|
|
| (10+)
|
|
|-
| [[제논-135|<sup>135</sup>Xe]]<ref group="n">핵분열 생성물인 [[텔루륨-135]]의 붕괴 결과 생성되는 [[아이오딘-135]]의 붕괴 생성물로, [[원자력 발전소]]에서 생산되며, 강력한 중성자 흡수재로 알려져 있다. 일반적으로 제논-136을 생성할 때는 중성자 선속이 높은 환경에서 중성자를 흡수한다.</ref>
| style="text-align:right" | 54
| style="text-align:right" | 81
| 134.907227(5)
| 9.14(2) h
| β<sup>-</sup>
| <sup>135</sup>Cs
| 3/2+
|
|
|-
| rowspan=2 style="text-indent:1em" | <sup>135m</sup>Xe
| rowspan=2 colspan="3" style="text-indent:2em" | 526.551(13) keV
| rowspan=2|15.29(5) min
| IT (99.99%)
| <sup>135</sup>Xe
| rowspan=2|11/2-
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup> (0.004%)
| <sup>135</sup>Cs
|-
| <sup>136</sup>Xe<ref group="n" name="PN">태양계 초창기부터 존재해 왔었던 방사성 핵종이다.</ref>
| style="text-align:right" | 54
| style="text-align:right" | 82
| 135.907219(8)
| '''2.38(0.02,0.14) x 10<sup>21</sup>yr'''
|β<sup>-</sup>β<sup>-</sup>
| '''<sup>136</sup>Ba'''
| 0+
| 0.088573(44)
|
|-
| style="text-indent:1em" | <sup>136m</sup>Xe
| colspan="3" style="text-indent:2em" | 1891.703(14) keV
| 2.95(9) µs
|
| 
| 6+
|
|
|-
| <sup>137</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 83
| 136.911562(8)
| 3.818(13) min
| β<sup>-</sup>
| <sup>137</sup>Cs
| 7/2-
|
|
|-
| <sup>138</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 84
| 137.91395(5)
| 14.08(8) min
| β<sup>-</sup>
| <sup>138</sup>Cs
| 0+
|
|
|-
| <sup>139</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 85
| 138.918793(22)
| 39.68(14) s
| β<sup>-</sup>
| <sup>139</sup>Cs
| 3/2-
|
|
|-
| <sup>140</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 86
| 139.92164(7)
| 13.60(10) s
| β<sup>-</sup>
| <sup>140</sup>Cs
| 0+
|
|
|-
| rowspan=2|<sup>141</sup>Xe
| rowspan=2 style="text-align:right" | 54
| rowspan=2 style="text-align:right" | 87
| rowspan=2|140.92665(10)
| rowspan=2|1.73(1) s
| β<sup>-</sup> (99.45%)
| <sup>141</sup>Cs
| rowspan=2|5/2(-#)
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, [[중성자 방출|n]] (0.043%)
| <sup>140</sup>Cs
|- 
| rowspan=2|<sup>142</sup>Xe
| rowspan=2 style="text-align:right" | 54
| rowspan=2 style="text-align:right" | 88
| rowspan=2|141.92971(11)
| rowspan=2|1.22(2) s
| β<sup>-</sup> (99.59%)
| <sup>142</sup>Cs
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n (0.41%)
| <sup>141</sup>Cs
|-
| <sup>143</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 89
| 142.93511(21)#
| 0.511(6) s
| β<sup>-</sup>
| <sup>143</sup>Cs
| 5/2-
|
|
|-
| rowspan=2|<sup>144</sup>Xe
| rowspan=2 style="text-align:right" | 54
| rowspan=2 style="text-align:right" | 90
| rowspan=2|143.93851(32)#
| rowspan=2|0.388(7) s
| β<sup>-</sup>
| <sup>144</sup>Cs
| rowspan=2|0+
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n
| <sup>143</sup>Cs
|-
| <sup>145</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 91
| 144.94407(32)#
| 188(4) ms
| β<sup>-</sup>
| <sup>145</sup>Cs
| (3/2-)#
|
|
|-
| <sup>146</sup>Xe
| style="text-align:right" | 54
| style="text-align:right" | 92
| 145.94775(43)#
| 146(6) ms
| β<sup>-</sup>
| <sup>146</sup>Cs
| 0+
|
|
|-
| rowspan=2|<sup>147</sup>Xe
| rowspan=2 style="text-align:right" | 54
| rowspan=2 style="text-align:right" | 93
| rowspan=2|146.95356(43)#
| rowspan=2|130(80) ms<br />[0.10(+10-5) s]
| β<sup>-</sup>
| <sup>147</sup>Cs
| rowspan=2|3/2-#
| rowspan=2|
| rowspan=2|
|-
| β<sup>-</sup>, n
| <sup>146</sup>Cs
|}
<references group="n" />

== 각주 ==
{{각주}}

{{동위 원소 색인}}

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