nitrogen (N) Element's Properties and Facts

Element Name : Nitrogen Symbol : N Presence in: 1. 70 kg Person : 1.8 kg 2. Body : 3 % 3. Earth Crust : 0.002 % 4. Earth Ocean : 0.00005 % 5. Universe : 0.1 % Properties: 1. Atomic Number : 7 2. Atomic Weight : 14.0067 3. Group : 15 4. Period : 2 5. Block : p 6. Density : 1.251 g/l 7. Melting Point : 63.15 K 8. Boiling Point : 77.36 K 9. Electron Form : 1s2 2s2 2p3 10. State of matter : Gas 11. Color : Colorless, odorless, tasteless gas Other Facts: 1. Area of Presence in Body : In All Liquids, Tissues, Proteins 2. Existence in type of Foods : Protein, Milk, Fish and Chicken 3. Diseases : Hypoxia 4. Health Uses : DNA, proteins 5. Adult consumption / day : Woman - 40 grams, Men - 55 to 70 grams 6. Children consumption / day : Nil 7. Natural Form : Nitrates and nitrites 8. Other Forms : Nil 9. Source Place : Air 10. Common Uses : Light bulbs may contain nitrogen as it is a cheaper alternative to argon. It is used in the manufacture of stainless steel. It also reduces the fire hazard in military aircraft fuel systems.