Some Periodic Practice…
Part I. Based on the diagram below, answer the following questions.
Part II. Using the periodic table, answer the following questions. (you may write the symbol)
What element has an atomic number of 66?
What Alkaline Earth metal has four energy levels and has two electrons in the fourth energy level?
If someone tells you that two elements are in the same group (family) what can you infer?
On the back of this paper, draw the Bohr Model for Carbon and the Noble Gas in the third period.
List all of the Halogens.
List the number of p+, n, and e- for each isotope:
Isotope "X" has 98e- and 102n