Quantum Theory and the atom

How many electrons can the first energy level hold?

• 1
• 2
• 8
• 0

The set of orbitals that are dumbbell shaped and directed along the x, y, and z axes are called 

• d orbitals.
• p orbitals.
• f orbitals.
• s orbitals

What is the electron configuration for nitrogen?

• 1s² 2s² 2p³
• 1s² 2s³ 2p²
• 1s² 2s³ 2p¹
• 1s² 2s² 2p² 3s¹

Tags

NGSS.HS-PS1-1

If electrons in an atom have the lowest possible energies, the atom is in the

• ground state.
• inert state.
• excited state.
• radiation-emitting state.

If an electron moves from lower energy level to higher energy level it is called

• ground state

• excited state

• neutral state

The shape of the s sub level

• spherical

• dumb bell

• traingular

The number of orbitals in d sub level

• 2

• 5

• 8

Which is the electron configuration for an oxygen atom?

• 1s²2s²2p⁶3s²3p⁶4s²
• 1s²2s²2p⁴
• 1s²2s²2p⁶
• 1s²2s²2p⁶3s²3p⁶

Tags

NGSS.HS-PS1-1

Heisenberg was a German theoretical physicist and one of the key pioneers of quantum mechanics

• True

• False

Tags

NGSS.HS-PS4-3

What model of atomic orbital is this?

• Bohr's model

• Heisenberg's model

• Broglie's model

• Schrödinger's model