Radon Certification question n answers graded A+ 2023/2024

Radon CertificationRadon Gas Characteristics - correct answer -not detected by human senses -naturally occurring -chemically unreactive The nucleus of an atom consists of ____________ and ______________ - correct answer protons and neutrons What characteristic of an atom determines the charge? - correct answer Electrons What characteristic of an atom determines the isotope? - correct answer Nuetrons What characteristic of an atom determines the element I.D? - correct answer Protons What determines the atomic mass number? - correct answer The number of protons AND neutrons What is the annual average indoor radon level in the U.S? - correct answer 1.3 What is the annual average outdoor radon level in the U.S? - correct answer 0.4 What is the definition of a half-life? - correct answer The time required for HALF of the material to decay ______________ is an atom that has lost or gained electrons - correct answer Ion 1 picocurie per liter of radon is defined as - correct answer 2.22 disintegrations per minute within one liter of air