Nuclear Medicine Physics Test 1 Questions and Answers

Nuclear Medicine Physics Test 1 Questions and Answers Matter Anything that consists of mass and inertia All matter is composed of... molecules Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:01 / 0:15 Full screen Brainpower Read More All molecules are composed of.. atoms A molecule is the smallest unit of? any substance An atom is the smallest unit of? matter Elements are... Naturally occuring Atoms have the same # of _____and _____ Protons and electrons What charge is an electron? Negative What is the mass of an electron? 1 What is the charge of a proton? Positive What is the mass of a proton? 1836 What is the charge of a neutron? neutral What is the mass of a neutron? 1840 What is the charge of a neutrino? neutral What is the mass of a neutrino? 0 What do protons and neutrons have in common? almost the same mass, approx the same mass, close to the same mass Neutrons and protons are _______X heavier than an electron 2000X Electrons are ____/_____the of a proton 1/1840 Valent Electrons Combination of atoms occurs through the interaction of electrons in the outer most shell Nucleons neutrons and protons Minimum amount of energy is electron binding energy Where are the tightly bond electrons? k shell Where is the strongest binding shell? k shell Which shell has the greatest binding energy? inner shell What is ionization? the removal of an electron from the atom Isotopes -of an element is a variation of the nuclear composition of the atoms of the element -different number of neutrons -different total numbers of protons and neutrons -the # of protons remains the same Isobars -two atoms with the same mAss number but different atomic numbers and chemical properties -the same # of protons and neutrons Isotones -two atoms with the same # of neutrons -different atomic mass # -different atomic number -different chemical properties