The Fifth Most Abundant Element in the Universe

How It Was Discovered

In 1772, Scottish scientist Daniel Rutherford just called it "noxious gas" when he found nitrogen. Other scientists called it things like "burnt air" or "dephlogisticated air", still meaning air without oxygen.

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(This is Daniel Rutherford)

Nitrogen's "Statistics"

Chemical Symbol: N

Atomic Number: 7

Atomic Mass: 14.0067

Has 7 protons, neutrons, and electrons

Density: 1.251 g/l

Period: 7

Group: 15

Melting Point: -346.18 degrees Fahrenheit, -210.1 degrees Celsius

Boiling Point: -320.422 degrees Fahrenheit, -195.79 degrees Celsius

Nitrogen is a gas at room temperature (72 degrees Fahrenheit, 22 degrees Celsius)

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We're All Family

Nitrogen is in the "Other Non-Metals" family. It is brothers and sisters with Phosphorus, Arsenic, Antimony, and Bismuth. These elements all have FIVE electrons in their valence shell.

Random Facts

Nitrogen makes up 80% of the atmosphere

The liquid form of nitrogen is a great refrigerant

Nitrogen is not very reactive

Essential for life

An important part of amino acids

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