A new element is discovered with an atomic mass number of 300. Part 1: If it has 180 neutrons, how..


A new atom is discovered after a while an minute majority calculate of 300. Part 1: If it has 180 neutrons, how multifarious protons does it accept? Part 2: After some era, scientists are talented to synthesize 1 gram of this new atom. After 6 months, simply 80% of it offscourings. What is its half-animation and its average animation? What is its radioactive corruption perpetual?