Metal,ID,Nr,Ng,Nb,Kr,Kg,Kb Iron,230,2.9114,2.9497,2.5845,3.0893,2.9318,2.7670 Gold,231,0.18299,0.42108,1.3734,3.4242,2.3459,1.7704 Aluminum,232,1.3456,0.96521,0.61722,7.4746,6.3995,5.3031 Chrome,233,3.1071,3.1812,2.3230,3.3314,3.3291,3.1350 Copper,234,0.27105,0.67693,1.3164,3.6092,2.6248,2.2921 Lead,235,1.9100,1.8300,1.4400,3.5100,3.4000,3.1800 Platinum,236,2.3757,2.0847,1.8453,4.2655,3.7153,3.1365 Silver,237,0.15943,0.14512,0.13547,3.9291,3.1900,2.3808