If a piece of metal were to cut in half would the density change

Rutherford's experiment indicated that matter was not as uniform as it appears what part of his experimental results implied this idea

This drawing shows a human body system. what is the primary function of this body system?

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.