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Symbol: N

Date of Discovery: 1772

Discoverer: Daniel Rutherford

Atomic number: 7

Atomic Mass: 14.00674 amu

Classification: nonmetal

Protons: 7

Electrons: 7

Neutrons: 7

Color: colorless

Crystal Structure: hexagonal

Melting Point: -209.9 °C

Boiling Point: -195.8 °C

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What are some facts about nitrogen?

Nitrogen makes up about 78% of Earth's atmosphere. It is an essential element for the growth of living organisms as it is a key component of proteins and DNA. Nitrogen gas is relatively inert and non-reactive under normal conditions.


What Are some Interesting Facts About Nitrogen?

5 interesting facts on nitrogen-1. It makes up 78% of the Earths atmosphere but only 3% of Mars atmosphere2. The total mass of nitrogen in an average 70kg human is 1.8kg3. The sound you hear when you crack your knuckles is actually nitrogen gas bubbles popping4. It is responsible for the orange-red, blue-green, blue-violet, and deep violet colours of the aurora5. it is an ingredient in laughing gasIt's a diatomic molecule, so it only exists naturally as N2.Air is approximately 79% nitrogen gas.Nitrogen is colorless, odorless, tasteless, and inert.The melting point of Nitrogen is -210 degrees Celsius, so liquid nitrogen is very fun to play with. You can submerge a flower in it for a few seconds, take it out, and shatter the flower as if it were made of glass.


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Earth is the third planet from the Sun in our solar system. It is the only known planet to support life. Earth's atmosphere is composed primarily of nitrogen and oxygen.


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Word equation for nitrogen oxide?

Nitrogen oxide forms when nitrogen reacts with oxygen. The word equation for this reaction is: nitrogen + oxygen → nitrogen oxide.