Answer:
Diffusion means that particles travel from a higher concentration to a lower concentration region before balance is achieved. The semi-permeable membrane is present in osmosis, so that only solvent molecules can travel freely to equalize the levels.
Nitrogen gas consists of a diatomic nitrogen atom. So, the correct answer is B.
Their is 2 valence electrons
Answer: A
Aloha is the one that loses a helium
Answer:
sodium hydroxide and hydrochloric acid is the reactants