MARGARET WAGNER - Atomic Structure Worksheet.pdf - Atomic...

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Atomic Structure Worksheet - Please Answer in Blue Font 1.Name the threeparticlesof theatom, their respectivecharges, and theirmassesa. proton, p+, 1.67 x 10^-24 b. neutron, nØ, 1.67 x10^-24 c. electron, e-, 9.11 x 10^-24 2.The number ofprotonsin one atom of anelementdetermines the atom’s atomic number, and the number of electronsdetermines the charge of an element. 3.Theatomic numbertells you the number of protons (p+)in one atom of an element. It also tells you the number of electrons (e-) in aneutralatomof that element. The atomic number gives the “identity “ of an element as well as its location on thePeriodic Table. No two different elements will have the same atomic number. 4.The atomic mass of an element is theaverage massof an element’s naturally occurring atoms, orisotopestaking into account the percentage of each isotope. 5.The atomic mass of an element is the total number of protons andneutronsin the nucleus of the atom. 6.Themass number: ,
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