Will give brainliest to best 2. why don't elements in the same families share all of the same properties? 3. how to the properties of the halogens differ from those of the noble gases? 4. why don't elements in the same periods share many of the same properties? 5. what two families of the periodic table would react most violently with each other, and why? 6. rank the following elements by increasing atomic radius: carbon, aluminum, oxygen, potassium. 7. rank the following elements by increasing electronegativity: sulfur, oxygen, neon, aluminum. 8. what is the difference between electron affinity and ionization energy? 9. why does fluorine have a higher ionization energy than iodine? 10. why do elements in the same family generally have similar properties?