What is the total number of atoms contained in 3.00 moles of nickel

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Which scenario is most similar to the type of collision that gas particles have according to kinetic molecular theory

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space