How are elements arranged in the Periodic Table?

A new element has been made in laboratories with a proton number of 117. Scientists have placed it in Group VII. Which two properties can scientists expect element 117 to have? Choose two answers.

How many electrons do Group VI elements have in their outer shells?

Which statement about the Periodic Table is true?

This graph shows the melting and boiling points of Group VII elements:

4. Sara watched a demonstration to react sodium metal with water. The method is: • Half fill a trough with water and add several drops of Universal Indicator. • Using tweezers, place a small piece of sodium metal on the surface of the water