Mass number Mass number The mass number (symbol "A", from the German word "Atomgewicht" (atomic weight), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. It determines the atomic mass of atoms. Because protons and neutrons both are baryons, the mass number A is identical with the baryon number B as of the nucleus as of the whole atom or ion. The mass number is different for each different isotope of a chemical element. This is not the same as the atomic number ("Z") which denotes the
Same Same But Different a nightclub in Phnom Penh, he meets a young local girl, Sreykeo (played by Apinya Sakuljaroensuk), and rapidly falls in love with her. Ben opts for this love, even though Sreykeo turns out to be HIV positive and seems to be a prostitute. It is based on the true story of Sreykeo Sorvan and Benjamin Prüfer. "Same Same But Different" was shown at the 62nd Locarno International Film Festival on 13 August 2009; and entered in the festival competition, the "Variety Piazza Grande Award". This award is conferred by critics from the American entertainment magazine Variety to films that it