Relacionar Columnas Atoms, ions & the Periodic table Revision (D)Versión en línea Match the cards which describe the same atom or ion. Match the cards that describe the same group on the Periodic table. por Kirk Villanueva 1 2 3 4 5 6 Name given to elements in group 7 7 8 9 Elements in this group are stored under oil as they are very reactive with air and water. 10 Elements in this group are very unreactive Alkali metals Number of protons = 4 Number of neutrons = 5 Number of electrons = 2 Noble gases Number of protons = 12 Number of neutrons = 12 Number of electrons = 12 Number of protons = 16 Number of neutrons = 16 Number of electrons = 18 Number of protons = 11 Number of neutrons = 12 Number of electrons = 10 Halogens
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