Question

which is heavier,oxygen or carbon dioxide??​

Answer 1

Answer:

carbon dioxide is heavier than oxygen

Answer 2

Both carbon dioxide and oxygen are gases, and both of them are very close to what scientists call “ideal gases.” What is an ideal gas? An ideal gas has no interactions, are not influenced by outside forces and thus obeys the gas laws exactly (the gas laws basically state that there is a relationship between the pressure, temperature, and volume of any gas). In reality this is impossible, but carbon dioxide and oxygen come close!