Fundamental ideas 0.0 / 5 ? BiologyFundamental ideasGCSEAQA Created by: Sam EvansCreated on: 19-05-14 20:31 Sort these substances into elements and compunds (Ca, Ch4, H2, MgO, Ne, O2, SO2) Elements :Ca, H2, Ne, O2. Compounds: CH4, HCl, MgO SO2 1 of 6 What are the names of the particles in an atom of sodium (Atomic number 11, mass number 23) 11 protons, 11 electrons and 12 neutrons 2 of 6 What determines the order of the elements in the periodic table? The order of atomic numbers 3 of 6 Explaing why boron and aluminium are both in the same group in the periodic table Both have the same amount of electrons in the outer shell 4 of 6 Name the type of bond in each of these compounds (CaO,C2H6, H2O,KCl, LiCl, MgCl2, NH3, Na2O, PCl3) Ionic: CaO, KCl, LiCl, MgCl2, Na2O 5 of 6 Explain what happens to the atoms when sodium reacts chlorine The sodium atom loses and electron and becomes positively charges and the chloring atom gains an electron and becomes negatively charged 6 of 6
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