What information does the atomic mass of an element provide? a. the sum of electrons and protons in an atom b. the difference between the number of protons and electrons c. the number of protons and neutrons in an atom d. the number of isotopes

What is the mass of 0.46 mol of mgcl2

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.

The arrangement of particles is most ordered in a sample of