This source is a database. It is reliable because it is a school website and is written by qualified people. We know this because it is .org. It was also written in 2015.

This source is a website. It is reliable because it is news from scientists that work and discover things in this topic.

This source is a website. It is reliable because the scientists and people who write the articles are professionals around the world. It was updated in 2015.

Final report-oUr sources

This source is a website. It is reliable because it is .edu meaning it was written professionally especially for education

This source is a database. It is reliable because it is a school website and is written by qualified people. And a .org website. It was also updated in 2015.

http://news.nationalgeographic.com/news/2013/08/130828-science-chemistry-115-element-ununpentium-periodic-table/

https://media.goboard.io/110602

https://media.goboard.io/4001573.htm

http://hsc.csu.edu.au/chemistry/core/identification/chem925/925net.html

https://media.goboard.io/110603