alleryWhich is the most non-metallic element of group 16?
AOxygen
BSulphur
CSelenium
DTellurium
Answer & Solution
Correct answer: A. Oxygen
1. Non-metallic character decreases down a group.
2. Oxygen is at the top of Group 16.
3. It is the smallest of the four and has the highest electron-attracting ability.
4. So oxygen is the most non-metallic of group 16.
5. Selenium and tellurium even start showing metalloid behaviour.
_Source: syllabus Science Ch 5 'Periodic Classification of Elements'_
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