Which of these relationships is true of an uncharged atom? which of these relationships is true of an uncharged atom? the atomic mass is equal to the number of electrons. the number of electrons is equal to the number of neutrons. the number of protons is equal to the number of electrons. the atomic mass is equal to the atomic number. the number of neutrons is equal to the number of protons?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

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.

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp