Can you name three positive uses of nuclear radiation? Radioactive dating, food irradiation, medical diagnostics, cancer treatment, pacemakers, etc.
Which form of radiation is the most dangerous? Gamma rays
T or F. A fission reaction occurs when two smaller nuclei come together to create a new, larger nucleus. False, fusion is being described
Can you name three conclusions from Rutherfords gold foil experiment. -Atom is mostly empty space (the nucleus is small compared to entire size of atom) -Most of the mass of the atom is in the center -The positive charged particle (proton) must be in the center of the atom
Who is considered the father of modern chemistry? Robert Boyle
Element X contains three naturally occurring isotopes with masses of 78.0, 79.0, and 80.0 amu. What data is needed to calculate its average atomic mass? The natural abundance in percent of each isotope (Can you do these calculations?)
What was John Daltons main contribution to the theory of the atom? Elements are made of very small particles called atoms