NITROGEN IS MORE IMPORTANT THAN YOU THINK INTRODUCTION: In this article, we discuss nitrogen its important properties, and some incidents that happened in the past with people and instruments that deal with nitrogen. So, let's start: LIQUID NITROGEN INCIDENT THAT KILLED THREE TECHNICIAN OF NASA: The First space shuttle mission was named STS-1, the first orbital mission of NASA. This mission is uniquely described in this article due to the incident in which three technicians died due to inhalation of excess nitrogen of nitrogen. IMPORTANCE OF NITROGEN: Nitrogen is a crucial element in the periodic table due to many important properties. Nitrogen is a non-toxic & colorless gas that occupies 78% of the atmosphere. HISTORY OF NITROGEN: In the past, scientists had different opinions about this gas. For example, some scientists think it was brunt air because no combination occur in the presence of this element. Some believe it is very toxic and has no life because the environment fil...
Aluminum: An Element That Changes the World Completely Aluminium uses in aerospce industry Aluminum is a very lightweight metal. Alloy is very precise before 18 century it was more expensive than gold and silver. Its high price is due to its extraction cost from clay. In clay, it forms a very strong bond with oxygen that why it requires very high energy. Aluminum word derived from the Latin word "Alumen" which means "Bitter salt". Aluminium was discovered by Danish physicist " Hans Christian Orsted" in 1825. It has a silvery-white appearance. What is Aluminium? Aluminum is a very lightweight metal in the periodic table. It is the 13th element in the periodic table and also a very useful element. Where Aluminium mined? Aluminum minerals include "Boehmite, Diaspore, Gibbsite, Cupalite, and steinhardtite, etc.," There are over 270 different types of aluminum minerals from which aluminum is extracted. Australia and China have huge resources for al...
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