Chemistry Revision 0.0 / 5 ? ChemistryChemical patterns and reactivity seriesGCSEOCR Created by: zayn001Created on: 07-11-16 18:40 In an electronic structure diagram, if I had 18 electrons, how many would be on the first, second and third circle? First: 2 Second: 8 Third: 8 1 of 6 What is the most reactive material in group 1 of the periodic table? Francium 2 of 6 What is the least reactive material in group 1 of the periodic table? Lithium 3 of 6 What does the top number on an element mean? Atomic number 4 of 6 What are the elements in the periodic going horizontally called? Periods 5 of 6 What is the name a group 7 element? Chlorine 6 of 6
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