What gas makes up about 78% of Earth's atmosphere?
AnswerNitrogen
Nitrogen is about 78% of dry air.
Science · Facts & stats
N facts & stats
7 fact-checked facts about everything n: nitrogen, newtons, north and the letter n, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What position is N in the English alphabet?
Answer14th
N is the 14th letter.
Going deeper
In physics, the unit symbol N stands for what?
AnswerNewton
The newton (N) is the SI unit of force.
What is the atomic number of nitrogen?
Answer7
Nitrogen has 7 protons.
What is the Morse code for the letter N?
AnswerDash dot
N is dash-dot; A is dot-dash.
Expert level
The newton unit is named after which scientist?
AnswerIsaac Newton
It honors Sir Isaac Newton.
At about what temperature does liquid nitrogen boil at sea level?
Answer−196°C
Liquid nitrogen boils at about −196°C (77 K).
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