Chemistry
Elements with valency 2 are:
- Always metals
- Always non-metals
- Can be metals or non-metals
- Metalloids (semi metals)
Atomic Structure
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Answer
Can be metals or non-metals
Reason — If the element shows positive valency it is a metal (e.g., Beryllium) and if the element shows negative valency it will be a non-metal (e.g., Sulphur).
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