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...
Oxygen: An important Element for life Oxygen is a very useful element and much more important for life. Oxygen causes aerobic respiration which uses oxygen to burn food that we eat into energy-rich molecules ATP. Oxygen is a very abundant element in the universe as well as in this atmosphere. It is the third most abundant element in the universe and the second most abundant element in this atmosphere. Allotrope of Oxygen: Oxygen has three allotropes: i. Dioxygen ii.Ozone iii. Tetraoxygen i. Dioxygen : Dioxygen is very important for sustaining life on this planet Earth. Dioxygen is used in the process of aerobic respiration. Which is very important for life on this planet. ii. Ozone: Ozone is ...