<Tr> <Td> Autoignition temperature </Td> <Td> 609 ° C (1,128 ° F; 882 K) </Td> </Tr> <Tr> <Td> Explosive limits </Td> <Td> 12.5--74.2% </Td> </Tr> <Tr> <Td_colspan="2"> Lethal dose or concentration (LD, LC): </Td> </Tr> <Tr> <Td> LC (median concentration) </Td> <Td> 8636 ppm (rat, 15 min) 5207 ppm (rat, 30 min) 1784 ppm (rat, 4 hr) 2414 ppm (mouse, 4 hr) 5647 ppm (guinea pig, 4 hr) </Td> </Tr>

Why carbon monoxide (co) is or is not an atom