Chemistry Mrs. Westphal Name:__________________________________ Date:________________ Subatomic Particle Practice Fill in the chart. Be sure to add the atomic # and mass # to nuclide if not given. Element Name Hydrogen -1 Nuclide 1 Atomic # Average Mass # Atomic Mass Protons Neutrons Electrons 1H 59 27Co 13 6C Lithium – 6 6 3Li 34 17Cl Magnesium - 22 K 39 Mg 22 As 75 Au 118 Ag 61 S 16 U 146 Chemistry Mrs. Westphal Name:__________________________________ Date:________________ Using your periodic table, complete the following chart. Element Name Element Symbol Atomic # Mass # 5 11 Protons Neutrons Electrons Nitrogen – 14 Potassium - 39 74 32 53 16 89 39Y Beryllium – 9 11 23 9 10 14 15 47 55 22 25 52 24Cr Hydrogen - 3 48 36
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