Which statement is not true for an electrochemical cell? An oxidation-reduction reaction must occur.

Electrons must flow through a separate path from the reaction solutions.

Nonparticipating ions must flow to keep the electrons electrically neutral.

The metals that form the electrodes must be identical.

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

Which best describes how johannes kepler developed his laws of planetary motion

What is the empirical formula for c4h8o2