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An unknown element is shiny and is found to be a good conductor of electricity. What other properties would you predict for it?

Answer 1

Natalie Anton

Mallable
A good conductor of heat
High melting / boiling point
Sonorous

Since it appears to be a metal, all of the standard metal properties ought to hold true.

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Answer 2

Cameron Andrews

The information available suggests that the unknown element has metallic properties, which would lead to ductility, malleability, high melting and boiling points, the formation of positive ions in chemical reactions, and a metallic luster.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.