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Nitrogen - Periodic Table of Videos

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1,358 Questions Answered

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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about number 7 on the periodic table: nitrogen. It's the most abundant element in Earth's atmosphere.

Watch Think 4 Multiple Choice &
1 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
1 Open Discussion …And Finally

On a packet of crisps (chips in the USA), you will often see something similar to “atmosphere of nitrogen” written on the packet. Why is the pack full of nitrogen instead of air?

a

Because nitrogen is an inert gas (like the noble gases) and, unlike air which contains oxygen, cannot damage the food

b

Because the nitrogen gives a really good taste to the crisps - a nitrogen flavor!

c

Because nitrogen is cheaper than air

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