Chemistry, asked by Harishankhar1403, 23 hours ago

Sulphur & selenium and tellurium belong to dobereiners triad . If the atomic mass of sulpher and tellurium are 32 and 128 respectively . What is the excepted atomic mass of selenium

Answers

Answered by sachinsahu040506
0

Answer:

80

Explanation:

mass of selenium should be (32+128)/2

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