Directions: Look at the periodic table. Use it to answer the following questions:
1. What do you notice about the atomic number and the total number of electrons in
an atom?
2. How many periods are there?
3. What do you notice about the atomic number in each period?
4. In general, what happens to the atomic mass in each period?
5. What do you notice about the number of energy levels in an atom and the period
the element is in?
6. How many families are there?
7. How many elements are listed on the periodic table?
8. How many elements have an atomic number greater than that of iodine?
9. How many protons are in the nucleus of an atom of samarium?
10. Which element has more protons: tin or lead?
11. What is the atomic symbol for: Fluorine _____
seaborgium ___
12. What element is represented by: U ______________ Ag ________
13. Which element has the smallest atomic mass? The largest atomic mass?
14. What is the total number of electrons in an atom of osmium?
15. To which period and family does promethium belong?