Increasing Crimes Among Youth

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Atomic number| Element| Percent of Mass[2][3][4][5]| Mass (kg)[6]| Atomic percent| Positive health role in mammals[7]| Group| 8| Oxygen| 65| 43| 24| Yes (water, electron acceptor) /No (Reactive Oxygen Species)| 16| 6| Carbon| 18| 16| 12| Yes (organic compounds are hydrocarbon derivatives)| 14| 1| Hydrogen| 10| 7| 63| Yes (e.g. water)| 1|

7| Nitrogen| 3| 1.8| 0.58| Yes (e.g. DNA and amino acids)| 15| 20| Calcium| 1.4| 1.0| 0.24| Yes (e.g. Calmodulin and Hydroxylapatite inbones)| 2| 15| Phosphorus| 1.1| 0.78| 0.14| Yes (e.g. DNA and phosphorylation)| 15| 19| Potassium| 0.25| 0.14| 0.033| Yes (e.g. Na+/K+-ATPase)| 1| 16| Sulfur| 0.25| 0.14| 0.038| Yes (e.g.Cysteine, Methionine, Biotin, Thiamine)| 16| 11| Sodium| 0.15| 0.10| 0.037| Yes (e.g. Na+/K+-ATPase)| 1| 17| Chlorine| 0.15| 0.095| 0.024| Yes (e.g. Cl-transporting ATPase)| 17| 12| Magnesium| 0.05| 0.019| 0.0070| Yes (e.g. binding to ATP and other nucleotides)| 2| 26| Iron*| 0.006| 0.0042| 0.00067| Yes (e.g. Hemoglobin, Cytochromes)| 8| 9| Fluorine| 0.0037| 0.0026| 0.0012| Yes/No (topically hardens teeth; toxic in higher amounts)| 17| 30| Zinc| 0.0032| 0.0023| 0.00031| Yes (e.g. Zinc finger proteins)| 12| 14| Silicon| 0.002| 0.0010| 0.0058| Yes (probable)| 14| 37| Rubidium| 0.00046| 0.00068| 0.000033| No (?)| 1| 38| Strontium| 0.00046| 0.00032| 0.000033| No (?)| 2| 35| Bromine| 0.00029| 0.00026| 0.000030| No (?)| 17| 82| Lead| 0.00017| 0.00012| 0.0000045| No (?) (toxic in higher amounts)| 14| 29| Copper| 0.0001| 0.000072| 0.0000104| Yes (e.g. copper proteins)| 11| 13| Aluminium| 0.000087| 0.000060| 0.000015| No(?) (toxic?)| 13| 48| Cadmium| 0.000072| 0.000050| 0.0000045| No(?) (toxic in higher amounts)| 12| 58| Cerium| 0.000057| 0.000040| | No| |

56| Barium| 0.000031| 0.000022| 0.0000012| No? (toxic)| 2| 50| Tin|...
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