Explique fatores que diferenciam o ar poluído para o ar puro.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

Adeuteron, 21h, is the nucleus of a hydrogen isotope and consists of one proton and one neutron. the plasma of deuterons in a nuclear fusion reactor must be heated to about 3.02×108 k . what is the rms speed of the deuterons? express your answer using two significant figures.

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule