Bohr Model and Atomic Particles

What is the Bohr Model?

• A simplified representation of the atomic structure proposed by Niels Bohr in 1913.

• A mathematical equation used to calculate the energy levels of electrons in an atom.

• A model that describes the behavior of electrons as both particles and waves.

• A theory that explains the movement of planets around the sun.

Who proposed the Bohr Model?

• Niels Bohr

• Isaac Newton

• Marie Curie

• Albert Einstein

What are the three main components of an atom according to the Bohr Model?

• protons, neutrons, and electrons

• protons, electrons, and positrons

• protons, electrons, and photons

• protons, electrons, and quarks

What is the charge of a proton?

• -1

• 0

• +2

• +1

What is the charge of a neutron?

• 2

• -1

• 0

• 1

What is the maximum number of electrons that can be present in the first electron shell?

• 2

• 8

• 6

• 4

What is the maximum number of electrons that can be present in the second electron shell?

• 2

• 4

• 6

• 8

What is the maximum number of electrons that can be present in the third electron shell?

• 18

• 16

• 12

• 8

Which element does this represent?

• Gold

• Silver

• Lithium

• Beryllium

Tags

NGSS.MS-PS1-1

Which distinguishes an atom of one element from an atom of another element?

• The number of protons
• The number of electrons
• The number of neutrons
• The number of atoms