NRPP Radon Certification Study Guide with Complete Solutions

NRPP Radon Certification Study Guide with Complete Solutions The nucleus of an Atom contains - Answer️️ -Protons and neutrons Atomic number of an element reflects... - Answer️️ -The number of protons The mass number reflects the number of... - Answer️️ -Protons and neutrons Radioactive Particle Release - Answer️️ -Alpha - Most Damaging (particle = 2 protons and 2 neutrons)Mass and Velocity) Beta - Limited Damage (electron size particle) Gamma - Minor Damage (light wave) Radon 222 (mass number) has __ protons and __ neutrons - Answer️️ -86 (mass number) protons and 136 neutrons Ion - Answer️️ -One or more electrically-charged atoms where protons and electrons are not equal Ionizing radiation - Answer️️ -Energetic radiations that can impact and atoms such as those in human tissues, and cause ions Inert - Answer️️ -Chemically inactive Radium - Answer️️ --Produces radon -decay product of thorium and uranium Half life of Radon 222 - Answer️️ -3.8 days ©SOPHIABENNETT EXAM SOLUTIONS_2024/2025 Tuesday, September 3, 2024 10:30 AM Page | 2 Characteristics of RDPs - Answer️️ --short-lived -have static electric charges -chemically reactive -solid particles Radon 220 has a half life of - Answer️️ -55 seconds The level of radioactivity is measured in___ - Answer️️ -Curies 1 curie= __ disintegrations per minute - Answer️️ -37 billion Radon is measured in... - Answer️️ -Picocuries per liter One pCi/L = __ disintegrations per minute/per liter of air - Answer️️ -2.2 One picoCurie is ___ of a Curie - Answer️️ -One trillionth Alpha emitters in the RDP chain: (2) (RDPs that produce alpha particles) - Answer️️ -Polonium 218 and Polonium 214 Working Level X ___= estimate of pCi/L - Answer️️ -200 RDPs are measured in - Answer️️ -Working Level Equilibrium Ratio (ER) - Answer️️ -% of RDPs suspended in air relative to total RDPs created Commonly assumed ER indoors: - Answer️️ -.5 (.3 to .7) A high ER= - Answer️️ -Little air movement or low outdoo