Information | |
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has gloss | eng: Naturally occurring chromium (Cr) is composed of three stable isotopes; 52Cr, 53Cr, and 54Cr with 52Cr being the most abundant (83.789% natural abundance). Nineteen radioisotopes have been characterized with the most stable being 50Cr (also naturally occurring, 4.345 %) with a half-life of (more than) 1.8x1017 years, and 51Cr with a half-life of 27.7 days. All of the remaining radioactive isotopes have half-lives that are less than 24 hours and the majority of these have half-lives that are less than 1 minute. This element also has 2 meta states. |
lexicalization | eng: Isotopes of chromium |
subclass of | (noun) one of two or more atoms with the same atomic number but with different numbers of neutrons isotope |
has instance | e/Chromium-42 |
has instance | e/Chromium-43 |
has instance | e/Chromium-44 |
has instance | e/Chromium-45 |
has instance | e/Chromium-46 |
has instance | e/Chromium-47 |
has instance | e/Chromium-48 |
has instance | e/Chromium-49 |
has instance | e/Chromium-50 |
has instance | e/Chromium-51 |
has instance | e/Chromium-52 |
has instance | e/Chromium-53 |
has instance | e/Chromium-54 |
has instance | e/Chromium-55 |
has instance | e/Chromium-56 |
has instance | e/Chromium-57 |
has instance | e/Chromium-58 |
has instance | e/Chromium-59 |
has instance | e/Chromium-60 |
has instance | e/Chromium-61 |
has instance | e/Chromium-62 |
has instance | e/Chromium-63 |
has instance | e/Chromium-64 |
has instance | e/Chromium-65 |
has instance | e/Chromium-66 |
has instance | e/Chromium-67 |
Meaning | |
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Catalan | |
has gloss | cat: El crom (Cr) natural es composa de 3 isòtops estables; 52Cr, 53Cr, 54Cr i 52Cr sent aquest darrer el més abundant (83.789% abundància natural). Shan caracteritzat dinou radioisòtops sent els més estables el 50Cr (i també natural en un , 4.345 %) amb un període de semidesintegració de més de 1.8x1017 anys, i51Cr amb un període de semidesintegració de 27.7 dies. La resta disòtops radiactius tenen uns períodes de semidesintegració inferiors a les 24 hores i la majoria menor d'un minut. Aquest element també té dos isòmers nuclears. |
lexicalization | cat: Isòtops del crom |
Japanese | |
has gloss | jpn: クロムの同位体(クロムのどういたい)には3つの安定同位体52Cr、53Cr、54Crがあり、最も天然存在比が多いのは52Crで83.789%である。19個の放射性同位体が同定されていて、最も安定な50Cr(4.345%)の半減期は1.8×1017年以上、51Crの半減期が27.7日である。残りは全て24時間以内の半減期であり、そのほとんどは1分以下である。2つの核異性体が存在する。 |
lexicalization | jpn: クロムの同位体 |
Chinese | |
has gloss | zho: 鉻 (原子質量單位:50.9415(1) )共有28個同位素,其中有3個同位素是穩定的。 圖表 | class="wikitable" style="font-size:95%; white-space:nowrap" ! rowspan="2" |符號 ! Z(p) ! N(n) ! 質量(原子質量單位) ! rowspan="2" | 半衰期 ! rowspan="2" | 原子核自旋 ! rowspan="2" | 相對豐度 ! rowspan="2" | 相對豐度的變化率 |- ! colspan="3" | 激發能量 |- | 42Cr | style="text-align:right" | 24 | style="text-align:right" | 18 | 42.00643(32)# | 14(3) ms [13(+4-2) ms] | 0+ | | |- | 43Cr | style="text-align:right" | 24 | style="text-align:right" | 19 | 42.99771(24)# | 21.6(7) ms | (3/2+) | | |- | 44Cr | style="text-align:right" | 24 | style="text-align:right" | 20 | 43.98555(5)# | 54(4) ms [53(+4-3) ms] | 0+ | | |- | 45Cr | style="text-align:right" | 24 | style="text-align:right" | 21 | 44.97964(54) | 50(6) ms | 7/2-# | | |- | 45mCr | colspan="3" style="text-indent:2em" | 50(100)# keV | 1# ms | 3/2+# | | |- | 46Cr | style="text-align:right" | 24 | style="text-align:right" | 22 | 45.968359(21) | 0.26(6) s | 0+ | | |- | 47Cr | style="text-align:right" | 24 | style="text-align:right" | 23 | 46.962900(15) | 500(15) ms | 3/2- | | |- | 48Cr | style="text-align:right" | 24 | style="text-align:right" | 24 | 47.954032(8) | 21.56(3) h | 0+ | | |- | 49Cr | style="text-align:right"... |
lexicalization | zho: 鉻的同位素 |
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