The imagine below shows an atom arrangement. Why is it considered a mixture?

a) it’s composed of 1 kind of atom
b) it’s a physical combination of two or more different substances
c) it’s composed of 2 or more types of elements that are chemically combined.

Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right

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.

Tell me the iupac names of the following alcohols: