ChemistryAtomicNumberandMassNumber：化学原子数和质量数.doc

Name:_Hour:_Date:_Chemistry: Atomic Number and Mass NumberComplete the following chart and answer the questions below.ElementNameAtomicNumberNumber ofProtonsNumber ofNeutronsMass Numbercarbon1288hydrogen1614hydrogen2nitrogen141292146cesium82111247108tungsten1104580245289152silver10776114How are the atomic number and the number of protons related to each other?How do the number of protons, number of neutrons, and the mass number relate to each other?What is the one thing that determines the identity of an atom (that is, whether it is an oxygen atom or a carbon atom, etc.)?KEY Chemistry: Atomic Number and Mass NumberComplete the following chart and answer the questions below. Atomic # = # Protons P + N = Mass #ElementNameAtomicNumberNumber ofProtonsNumber ofNeutronsMass Numbercarbon66612oxygen88816hydrogen1101carbon66814hydrogen1123nitrogen77714hydrogen1112uranium9292146238cesium555582137sodium11111223silver474761108tungsten7474110184bromine35354580chromium24242852europium636389152silver474760107osmium7676114190How are the atomic number and the number of protons related to each other?equal (same number)How do the number of protons, number of neutrons, and the mass number relate to each other?P + N = mass numberWhat is the one thing that determines the identity of an atom (that is, wh