how do metals differ from non metals with regard to number of valence electrons, conductivity of heat and electricity, and phase

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.

What conclusion can you draw from this experiment about the components of the black ink?

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms