Periodic Table

4. What is the atomic number of Iron?
5. Elements that are dull, brittle, and poor conductors are classified as __________.
6. What is the name of the element with the chemical symbol C?
7. Columns of Elements that are vertically stacked are called _______.
9. From an element's location in the periodic table, you can predict its _________.
11. The atoms of elements in a group of the periodic table have similar chemical and physical ________.

1. What is the atomic number of Calcium?
2. Elements that are ductile, malleable, and are conductive are classified as ________.
3. Mendeleev created the first periodic table by arranging elements in order of the atomic mass ________.
5. A group of elements that do not react with any other elements are classified as __________.
6. The majority of the elements in the periodic table are _________.
8. The atomic number of an element is based on the number of ________ in its nucleus.
10. Rows of elements placed left to right horizontally are called ________.