Bohr atomic model

1. What element is represented in this Bohr Model?

• Carbon

• Hydrogen

• Aluminum

• Lithium

Tags

NGSS.MS-PS1-1

In the Bohr model, how do electrons travel?

• Electrons move in and out of the nucleus

• Electrons do not move

• Electrons move in circular orbits around the nucleus

• Electrons move in a straight line

What is n defined as in the Bohr's atomic model?

• a letter

• Principal quantum number

• Principal quantum variable

• a quantitiy

Light is emitted when an electron moves from the ________ state to the _________ state.

• excited, ground

• ground, excited

Tags

NGSS.HS-PS4-3

Which would describe an electron that has gained energy and jumped to another shell?

• ground state
• excited state
• valence
• core

When an atom has all of its electrons in the lowest energy orbitals available, the atom is  

• in ground state
• in excited state
• giving off light energy
• unstable

For an electron to change from ground state to an excited stated it must...

• Absorb energy
• Release energy

Proposed that electrons move around the nucleus in specific layers, or shells.

• Bohr

• Rutherford

• Chadwick

• Thomson

Which series of the hydrogen spectrum is visible to the human eye?

• A. Lyman series

• B. Balmer series

• C. Paschen series

• D. Brackett series

Which of the following transitions will result in the emission of a photon in the Balmer series?

• A. n = 3 to n = 2

• B. n = 4 to n = 1

• C. n = 5 to n = 3

• D. n = 6 to n = 4

Tags

NGSS.HS-PS4-3