Answer to Question #219959 in General Chemistry for dark matter

Question

Rutherford fired positively charged alpha particles at a thin sheet of gold foil. A small number of alpha particles were deflected, some of them at large angles. Which of the following does this observation support?

OPTIONS

• The nucleus occupies most of the space in an atom.
• Atoms contain a dense nucleus in the center.
• Atoms contain positive and negative charges.
• The electrons are found in discrete energy levels.

Answer 1

Atoms contain positive and negative charges.