Chemistry 0.0 / 5 ? ChemistryAtoms and compoundsGCSEAQA Created by: namwawCreated on: 15-03-16 19:15 charge and mass of an electron -1 mass= very small 1 of 19 charge and mass of a neutron 0 mass=1 2 of 19 charge and mass of a proton +1 mass=1 3 of 19 What are isotopes different versions of an elements with the SAME AMOUNT OF PROTONS but A DIFFERENT AMOUNT OF NEUTRONS 4 of 19 what does the structure of an atom look like nucleus containing the neutrons and protons and shells around 5 of 19 what are the electronic configuration rules 1st shell-2 2nd shell-8 3rd shell-8 4th shell-2 6 of 19 what is an element contains only one of type of atom 7 of 19 what is an compound two or more different types of elements joined together 8 of 19 what is mixture two or more atoms/elements/compound which are mixed together but not joined 9 of 19 when is an element most stable/unreactive and why when it's outer shell is full because they don't need to gain or lose electrons so don't react 10 of 19 what are group zero elements elements that are the most stable as they have a full outer shell 11 of 19 what is formed when an atom gains/loses electrons Ions 12 of 19 what type of ion is formed when an element LOSES an electron a CATION 13 of 19 what type of ion is formed when an element gains an electron a ANION 14 of 19 why do elements react TO GET A FULL OUTER SHELL 15 of 19 what are subatomic particles they make up a particle/atom 16 of 19 when an atom GAINS oxygen it is ? oxidised 17 of 19 when an atom loses an oxygen it is ? reduced 18 of 19 what is the periodic table a way to organise and arrange elements to be able to present information about these elements in a clear way 19 of 19
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