The Quantum–Mechanical Model of the Atom

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

• Absorb energy
• Release energy

Tags

NGSS.HS-PS1-2

What is the light that you can see called?

• observatory light

• ultraviolet light

• visible light

• infrared light

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When atoms _____________ energy, their electrons move to higher energy levels. These electrons _____________ energy by emitting light when they return to lower energy levels.

• lose, absorb

• absorb, lose

• lose, lose

• absorb, absorb

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3

What are the shapes of p orbitals ?

• cloverleaf

• spherical

• dumbbell

How many 4d orbitals are there in an atom?

• 1

• 3

• 5

Which orbitals cannot exist

• 3p

• 4d

• 3f

• 6s

Write a set of quantum numbers for a 4d orbital.

• (4,1,0, -1/2)

• (4,2,-2, +1/2)

• (4,0,2,-1/2)

Which set of Quantum numbers is not allowed

• (3,1,1,-1/2)

• (2,1,-2,+1/2)

• (4,2,-1,-1/2)

Identify the subshell in which electrons with the following quantum numbers are found:

n = 3, l = 2

• 3s

• 3p

• 3d

How many electrons can occupy any single subshell orbital?

• 1

• 2

• 6

• 10