The following half-cells are connected via a salt bridge and potentiometer to form a galvanic cell. What is the voltage read by the potentiometer when A_Ag+ = 200 and A_V2+= 1.50

Abbreviated as mg-25.

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom