View source for Usage of isotopes

{{stub}}

== Nonradioactive isotopes == 

* de-tuning of sonic speeds in sliding interfaces to reduce drag. See [[Friction]].
* ...

'''Stable isotopes (ratio in earth's crust):''' 

* <sup>1</sup>H 99.9885(70)% -- <sup>2</sup>H (D) 0.0115(70)%
* <sup>3</sup>He 0.000137% -- <sup>4</sup>He 99.999863%
----
* <sup>6</sup>Li 7.4%
* <sup>7</sup>Li 92.6%
----
* <sup>10</sup>B 19.9% -- <sup>11</sup>B 80.1% 
* <sup>12</sup>C 98.9% -- <sup>13</sup>C 1.1%
* <sup>14</sup>N 99.634% -- <sup>15</sup>N 0.366% 
* <sup>16</sup>O 99.762% -- <sup>17</sup>O 0.038% -- <sup>18</sup>O 0.2%
* <sup>19</sup>F 100%
----
* <sup>20</sup>Ne 90.48% -- <sup>21</sup>Ne 0.27% -- <sup>22</sup>Ne 9.25%
----
* <sup>23</sup>Na 100%
* <sup>24</sup>Mg 78.99% -- <sup>25</sup>Mg 10.00% --  <sup>26</sup>Mg 11.01%
----
* <sup>27</sup>Al 100%
* <sup>28</sup>Si 92.23% -- <sup>29</sup>Si 4.67% -- <sup>30</sup>Si 3.1%
* <sup>31</sup>P 100%
* <sup>32</sup>S 95.02% -- <sup>33</sup>S 0.75% --  <sup>34</sup>S 4.21% -- <sup>36</sup>S 0.02%
* <sup>35</sup>Cl 75.77% -- <sup>37</sup>Cl 24.23%
----
* <sup>36</sup>Ar 0.336% -- <sup>38</sup>Ar 0.063% -- <sup>40</sup>Ar 99.6%
----