Physical......................................................
Because all matter has density and since air has density then air is matter and plus EVERYTHING is made of matter
Answer:
The ratio is 1.000 mol of iron to 1.500 mol of oxygen (Fe1O1.5). Finally, multiply the ratio by two to get the smallest possible whole number subscripts while still maintaining the correct iron-to-oxygen ratio: The empirical formula is Fe2O3.
Im sorry , Im confused reading this . maybe enter a image ?
