Each vertical column is called a(n) ________________________.

According to the video, there are three families of elements known as the: ________________________,  ____________________, and ____________________.

The elements are arranged in order by their ___________________________________. 

The second energy level is p with ______ orbitals and a maximum of _______ electrons.

In 1869, ______________________________ first published the modern arrangement of the elements that is the basis of our periodic table today. 

The first energy level is _______ with 1 orbital and a maximum of _____ electrons. 

The diameter of an average atom is approximately ________________ times larger than the diameter of its nucleus.

Each periodic rise in melting point begins with one of the ______________________ in the lithium column.

The repetition or patterns in the periodic table is known as _________________________.

Part I: Multiple Choice Questions Select a response for each of the following Multiple Choice questions. There are ten Multiple Choice questions, worth 6 points each.