* 1. Which of the following are noble gases? Select all that apply.

* 2. What is the atomic number of Calcium?

* 3. The element with atomic number 29 is…

* 4. Which of the following are NOT solid at room temperature? Select all that apply.

* 5. “Groups” or “families” have similar atomic structure and are arranged _____ in the table.

* 6. Elements are arranged _____ into “periods.”

* 7. The majority of the elements in the periodic table are…

* 8. How many elements are in the modern periodic table?

* 9. The atomic number counts the number of what?

* 10. What are isotopes?

T