Becquerel a gram of potassium is 30 Bq. The following table shows radiation quantities in SI and non-SI units. Becquerel The becquerel (; symbol: Bq) is the SI derived unit of radioactivity. One becquerel is defined as the activity of a quantity of radioactive material in which one nucleus decays per second. The becquerel is therefore equivalent to an inverse second, s. The becquerel is named after Henri Becquerel, who shared a Nobel Prize in Physics with Pierre and Marie Curie in 1903 for their work in discovering radioactivity. As with every International System of Units (SI) unit named for a
Si Pitung Si Pitung Si Pitung (Old spelling: Si Pitoeng; or sometimes written just Pitung) was a 19th-century bandit in Batavia, Dutch East Indies (modern-day Jakarta, Indonesia). His exploits have since become legendary, with numerous accounts of his life, deeds, and death. Pitung was born in Pengumben, a slum in Rawabelong (near modern-day Palmerah Station) to Bung Piung and Mbak Pinah; he was the fourth son born to the couple. His real name was Salihoen. Based on oral tradition, the name Pitung is derived from "pituan pitulung" (Javanese for "group of seven"). As a child, Salihoen studied at Hadji Naipin's Islamic boarding