An unknown substance gives a red flame test and its solution yields a cloudy, white precipitate with carbonate. What element(s) might be present in this substance? Explain your choice.

Can smoke be transformed into liquid or used as energy or both?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

How do dying stars contribute to the formation of planets