Look at a chemical chart -

Carbon Nitrogen oxygen are in those three positions.
6 ele 7 ele 8 ele ele= electrons

Since air is 70%+ Nitrogen, 30% Oxygen -
CO indicates a 50% mixture - of carbon to Oxygen.
5*6 + 5*8 ~ 70 for CO - 7*7 + 3*8 ~ 73 So by electron count - CO is lighter.
The mass of each atom is :

12.+ , 14.+ , 16.00 so with mass : 5*12 + 5*16 = 140 while 7*14 + 3*16 = 146

So when we do a better job with mass values - CO is just lighter.

martin
Martin Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
NRA LOH & Endowment Member
NRA Second Amendment Task Force Charter Founder



Roy wrote:
There seems to be differences of opinions on the properties of carbon
monoxide gas. One source says its heavier than air another says its
lighter, so.......is it heavier or lighter than air?

To be honest I rather trust the info from this forum than various
websites and media types.



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