what are the elements of doberiner triads law?
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Predicted vs actual atomic mass of the central atom of each triad[verification needed]Element 1
Atomic massElement 2
Actual atomic mass
Mean of 1 & 3Element 3
Atomic massLithium
6.9Sodium
23.0
23.0Potassium
39.1Calcium
40.1Strontium
87.6
88.7Barium
137.3Chlorine
35.5Bromine
79.9
81.2Iodine
126.9Sulfur
32.1Selenium
79.0
79.9Tellurium
127.6Carbon
12.0Nitrogen
14.0
14.0Oxygen
16.0Iron
55.8Cobalt
58.9
57.3Nickel
58.7
Atomic massElement 2
Actual atomic mass
Mean of 1 & 3Element 3
Atomic massLithium
6.9Sodium
23.0
23.0Potassium
39.1Calcium
40.1Strontium
87.6
88.7Barium
137.3Chlorine
35.5Bromine
79.9
81.2Iodine
126.9Sulfur
32.1Selenium
79.0
79.9Tellurium
127.6Carbon
12.0Nitrogen
14.0
14.0Oxygen
16.0Iron
55.8Cobalt
58.9
57.3Nickel
58.7
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elements. Li,Na,K ,Ca,Sr, Ba,,Cl,Br,Iu
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