2. Waht is the relationship between the number of a period and the distribution of electrons in the atoms of that period?
3.Give the numbers of the 3 short periods. How many elements are in these?
4.In what ways to transition elements differ from the other elements?
5. Give the names and chemical symbols for the elements that correspond to the atomic numbers 10, 18, and 36 and name, by number, both the period and group that each of theses three elements is in.
6. Would you expect strontium (Sr) to be chemically more similar to calcium (Ca) or rubidium (Rb)? Explain.