Periodic table 0.0 / 5 ? ChemistryThe Periodic TableGCSEAQA Created by: jess.may_xCreated on: 08-09-19 22:36 What do you call rows on the periodic table? Periods 1 of 9 What do you call columns on the periodic table? Groups 2 of 9 Who was the first man to create a periodic table? John Newlands 3 of 9 Who created the second periodic table? Dmitri Mendeleev 4 of 9 How do we rank elements? By atomic number 5 of 9 Whats an atomic number? Number of protons in an atoms nucleus 6 of 9 What are the 3 main sub-atomic particles? Electrons, Protons and Neutrons 7 of 9 Where are metals found on the periodic table Found on the left of the periodic table because they have few electrons in their outermost shell. 8 of 9 Helium and argon belong to the same group in the periodic table. If helium is an inert (unreactive) gas, what is argon? An inert gas 9 of 9
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