78% Nitrogen
21% Oxygen
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m = 24
edexcel.com n xtremepapers.com
0.9% of 54: = 0.9% x 54 = 0.009 x 54 = o.486
N+O = No2
1. there are five layers of the atmosphere 2. it is composed of the gas nitrogen (N) and oxygen (O) mainly 3. nitrogen (N) occupies 78% of the atmosphere 4. oxugen (O) occupies 21% of the atmosohere
o
how can you find out the levels of cash f n o
The most important elements in the Earth's atmosphere are N (nitrogen) and O (oxygen).
o
The percent composition of nitrous oxide is: - N: 63,649 % - O: 36,351 %
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25 apex
argon
Oxygen is O and nitrogen is N.
N-O-P-D- - 1956 The Teen-Age 13 Percent 1-33 was released on: USA: 1956