Answer:
Air is a mixture of gases
Answer:
The nucleus, that dense central core of the atom, contains both protons and neutrons.
So to answer your question yes it does contain all of the protons in the atom.
* Hopefully this helps:) Mark me the brainliest:)!
Answer:
d. oxygen is a pure substance and rocks are mixtures
......A) iconic bonds........
It’s the second won the air layer one
