Question

1. what do you notice about the location of the elements in question #1, on the periodic table? a. elements with a complete outer shell are located in group____(number at the top of the column on a periodic table). b. elements with a complete outer shell are located in group__ c. group 18 elements are called the____gases. (hint: think of royalty)

Explanation:

a. Elements with a complete outer - shell are in Group 18 on the periodic table. These are the noble gases which have stable electron configurations.
b. Similar to part a, the key is the stable electron configuration of a complete outer shell which is characteristic of Group 18 elements.
c. Group 18 elements are called the noble gases. They are known for their low reactivity due to their full outer electron shells.

Answer:

a. 18
b. 18
c. Noble