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3. Which of the following atomic models describes that an atom consists of a positively charged nucleus, surrounded by negatively charged particles called electrons circulating the positively charged nucleus with attraction provided by electrostatic forces? a. Democritus Particle Theory b. Raisin Bun Model c. Planetary Model of an Atom d. Solid Sphere Model 4. Which of the following atomic models performed an experiment where they focused a stream of alpha particles to a thin sheet of gold foil that led to the discovery that the most particles passed through and few were deflected? a. Nuclear Model of an Atom b. Raisin Bun Model c. Planetary Model of an Atom d. Solid Sphere Model 5. Which of the following best describes Neils Bohr's Planetary Model of an Atom" a. The atom has a central positive nucleus with electrons orbiting around it. b. The central positive nucleus of an atom has a distinct energy level that surrounds it where the electrons may be found. c. The negatively charged particles are embedded in a positively charged mass. d. All matter is composed of tiny particles called atoms that cannot be divided into smaller particles.
Sagot :
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