Physics, 25.11.2019 03:31 robert7248

How would a scientist go about determining if an unknown substance is an element, compound, solution, or heterogeneous mixture?

compare and contrast ionic and covalent compounds

if you were traveling through space and landed on a different planet, how would your mass and weight compare to their values on earth? why?
list five physical properties.

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How would a scientist go about determining if an unknown substance is an element, compound, solution...