Which physical property of minerals can be tested using a fingernail, copper penny, steel nail, and glass?

hardness i believe, also known as "Mohs Hardness Test" . It's a simple test that could be used to test a minerals hardness

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this

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