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by penaser000
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Chemical Elements

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Chemical ' Phsical Properties

Nitrogen makes up 78% of the air on Earth.It is one of the ingredients plants need to perform photosynthesis. Without it, oxygen would not be given off by plants because they wouldn't be able to do photosynthesis. Because of this, animals would not get the oxygen they need and would soon perish. Plants would too because they could not feed themselves through photosynthesis and they would not have carbon dioxide (CO2) that animals produce during respiration so life on Earth would not be viable.

1. As a liquid, nitrogen can freeze almost anything. Even your skin!2. Nitrogen is clear, like water, when its tempurature is -210 degrees C (-346 degrees F).3. As a gas, nitrogen is invisible, tasteless, and odorless.4. Nitrogen does not react or combine with most elements. 5. As a solid, nitrogen looks like regular ice.6. Nitrogen's melting/freezing point is -210 degrees C (-346 degrees F) and it's boiling point is -195.79 degrees C (-320.33 degrees F).

Economic Impact

The Discovery

Nitrogen was first discovered and obtained in 1772 by Daniel Rutherford in Scotland. He had found the nitrogen in the air.

Physical Properties

1. When in its gaseous state, nitrogen forms a diatomic molecule called N2.2. Nitrogen will combine with oxygen when there are electric sparks or lightning in the air to create nitric oxide.

Chemical Properties

Nitroglycerine (C3H5N3O9) is used in pills for angina.Silicon Nitride (Si3N4) is used to make cutting tools because of its' hardness.Ammonia (NH3) is used in fertilizer to give plants the nitrogen they need for photosynthesis.

Nitrogen's Compounds

Crystal Sructure

Nitrogen in our atmosphere

Protons: 7Neutrons: 7Electrons: 7Atomic Radius: 56 post meridianNon-metal

Nitrogen is also used for preserving wine and biological samples, amusing children with frozen flowers, and making instant ice cream.


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