AP BIOLOGY

BIOCHEMISTRY

ATOMIC STRUCTURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A physical model that depicts the atom as a small positively charged nucleus with electrons in orbit at different levels.
A
Covalent bond
B
Ionic bond
C
Bohr Model
D
Electron dot diagram
Explanation: 

Detailed explanation-1: -The Bohr model depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus similar in structure to the solar system, but with attraction provided by electrostatic forces rather than gravity.

Detailed explanation-2: -In atomic physics, the Bohr model or Rutherford–Bohr model, presented by Niels Bohr and Ernest Rutherford in 1913, is a system consisting of a small, dense nucleus surrounded by orbiting electrons-similar to the structure of the Solar System, but with attraction provided by electrostatic forces in place of gravity.

Detailed explanation-3: -According to the Bohr model, often referred to as a planetary model, the electrons encircle the nucleus of the atom in specific allowable paths called orbits. When the electron is in one of these orbits, its energy is fixed.

Detailed explanation-4: -The atom, as described by Ernest Rutherford, has a tiny, massive core called the nucleus. The nucleus has a positive charge. Electrons are particles with a negative charge. Electrons orbit the nucleus.

Detailed explanation-5: -The Rutherford Model shows an atom with electrons orbiting a fixed, positively charged nucleus in set, predictable paths. The Bohr model shows electrons travel in defined circular orbits around the nucleus.

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