Chemistry, 19.11.2020 21:00 smokemicpot

An unknown element is found to have three naturally occurring isotopes with atomic masses of 34.9689 (76.000%), 36.9659 (23.988%) and 35.9683 (0.012%) Which of the following is the unknown element?

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An unknown element is found to have three naturally occurring isotopes with atomic masses of 34.9689...

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