What did Rutherford's alpha particles experiment show? A electron have negative charg
B a proton is a hydrogen atom with out electron
C electron circles the nucleus of an atom in orbits
D most of the mass & all of the positive charge of an atom is found in the nucleus​

What is a difference between a mixture of elements and a mixture of compounds

Calculate the mass of 0.750 mol of the following substance. na3po4. , i'm not quite sure on how to set up the problem to solve! : (

Examine the false statement. compounds are the smallest unit of an element that occur most commonly in nature. select the rewording of the statement that is true. a: atoms are the smallest unit of an element that commonly occur in nature. b: molecules are the smallest unit of an element or compound that commonly occur in nature. c: molecules are the smallest unit of a compound that occur on the periodic table. d: compounds are the smallest unit of an element that occur on the periodic table