A compound has the empirical formula CH and a molar mass of 78.11 g/mol . Find its molecular formula.

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li

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