Multiple choice general knowledge science & technology

Name the element with symbol 'Tl'

  1. Thallium

  2. Thorium

  3. Thulium

  4. Thandrium
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Explanation

The chemical symbol 'Tl' represents Thallium, atomic number 81 - a soft post-transition metal. Thorium is 'Th', Thulium is 'Tm', and 'Thandrium' is fictional. Thallium was named from Greek 'thallos' meaning green shoot, due to its green spectral line.

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