Quantum Theory

An orbital can at most hold how many electrons?

• 1 electron
• 2 electrons
• 3 electrons
• 4 electrons

If an electron moves from n=2 to n=4 ...

• it absorbs energy
• it releases energy

Tags

NGSS.HS-PS1-2

How many orbitals in the d subshell? 

• 1
• 7
• 3
• 5

For a p sublevel, "l" equals ____.

• 0
• 1
• 2
• 3

For the quantum number, "l", equal to 2, is an "m_l" value of -1 permitted?  

• yes
• no

What are the maximum electrons in the 3rd electron shell(3rd energy level)?

• 9
• 18
• 27
• 12

ℓ = 2

• s-sublevel
• p-sublevel
• d-sublevel
• f-sublevel

A line spectrum is produced when an electron moves from one energy level

• into the nucleus.
• to another position in the same sublevel.
• to a higher energy level.
• to a lower energy level.

Tags

NGSS.HS-PS4-3

According to the Bohr model of the atom, the single electron of a hydrogen atom circles the nucleus

• in specific, allowed orbits.
• in one fixed orbit at all times.
• at any of an infinite number of distances, depending on its energy.
• counterclockwise.

The 4^th  energy level (n = 4) has how many total orbitals?

• 2
• 4
• 8
• 16