Periodic Trends in Electron Affinity - Page 4

Questions
  • In the periodic table of, what do all of the elements in group 2 have in common?
  • Contrast the following terms and give one exapmle for each, Electronegativity and electro affinity?
  • Contrast the following terms and give one exapmle for each, Electronegativity and electro affinity?
  • What happens to non-metals when they form an ion?
  • In the periodic table of, what do all of the elements in group 2 have in common?
  • Describe the reactivity of an element when it has reached the maximum number of valence electrons. (A full octet) Help?
  • What does it mean that the electron affinity of fluorine is less than that of chlorine? Is this unusual?
  • What periodic table family is hydrogen in?
  • Are there patterns in the properties of elements?
  • Shouldn't electron affinity increase going down the noble gases because they have more electrons? Why does it decrease?