Thursday, February 4, 2010

Which of the following statements about the atom is false?

Which of the following statements about the atom is false?





a. Each atom has a tiny nucleus at its center.


b. All the protons and neutrons are located in the nucleus.


c. Electrons travel in definite circular pathways around the nucleus.


d. All atomic nuclei are positively charged.Which of the following statements about the atom is false?
c is false. electrons travel in rather unpredictable orbits around the nuclei of an atom. One of the electrons MAY travel in a circle ONCE, but otherwise, they all travel in whatever orbit they want to travel in. I think it was the random orbits of electrons that prompted Albert Einstein to famously say ';i refuse to believe that God plays dice with the world.';





d is almost completely true, but here's my question: what if the nucleus was devoid of protons (if that's physically possible). In that case, the nucleus would be neutral.Which of the following statements about the atom is false?
C





I don't mean to lecture, but all the time you're spending typing these out, you could be looking in your textbook.
c

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