1_WS01_Atoms_Molecules_and_Ions_Chapter_1_Zumdahl_Chemistry-Atoms_First.pdf

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Worksheet 01: Atoms, Molecules and Ions (Chapter 1; Zumdahl. Chemistry Atoms First)Topics covered in this worksheet:atomic structure basics, symbolism, isotopes, the periodic table, naming ofcompounds, the concept of mole, atomic and molecular mass.Symbol to represent isotope;Where, A = Mass number = # Protons + # Neutronsand Z = Atomic Number = # Protons1.Using the Periodic Table, fill in the missing information in the chart, below.Symbolatomic massprotonsneutronselectronschargeW18474110722+Br803545350Au1977911878+1Te128527654-22.For each of the numbered species that is a neutral atom, represent its composition in the formWhich of these species are isotopes?Explain why?Numbers 1,3,4, and 5 are isotopes because they don’t havea neutral charge.#1#2#3#4#5#6#7protons16201918202220neutrons18202122242628electrons18201817182220XAZXAZ
3.For the following elements, identify the group and period number for each of the following elements, andclassify the element as a metal or non-metal.

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Term
Fall
Professor
HUMMEL
Tags
Atom, Atomic Number, Chemical element, Ernest Marsden, Henry Becquerel Marie Curie

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