Radon Test - Unit 1 and 3 correct answers 100%

Radon Test - Unit 1 and 3 Atoms consist of... - correct answer positively-charged nuclei and one or more negative electrons Nucleus of an atom contains... - correct answer one or more positively-charged protons and uncharged neutrons Size of protons and neutrons compared to electrons? - correct answer Protons and neutrons are about the same size. Electrons are much smaller. Atomic number of an element - correct answer the number of protons in an atom Mass number (atomic mass) of an element - correct answer the number of protons AND neutrons How many protons and neutrons does Radon 222 have? (hint: 222 is the atomic mass) - correct answer Protons: 86 Neutrons: 136 (or 222-86) An ion is? - correct answer An atom or group of atoms that has become electrically charged through the loss or gain of electrons. protons and electrons are not equal Ionizing radiation - correct answer energetic radiations that can impact and alter atoms, such as those in human tissue, and produce ions.