Ch.4 Retest Review

How much energy does a 879nm photon have?

• 3.00 X 10⁸ J
• 6.87 x 10^-19 J
• 1.46 x 10^-19 J
• 2.26 x 10^-19 J

What rule/principle states that electrons are placed in vacant orbitals in a sublevel before paired?

• Aufbau
• Pauli Exclusion
• Heisenberg Uncertainty
• Hund's

What are the possible values of M_l if l=2?

• 0,1,2,3
• -2,-1,0,1,2
• -3,-2,-1,0,1,2,3
• none of the above

What are the possible azimuthal values if n=4?

• 0
• 0,1
• 0,1,2
• 0,1,2,3

How many possible orbitals are there in the third energy level?

• 2
• 3
• 4
• 9

What is the speed of a 5.96 x 10¹² Hz wave in a vacuum?

• 2.01 x 10⁴ m/s
• 5.96 x 10¹² m/s
• 1500 miles per hour
• none of the above

A ___________ is a small packet of electromagnetic energy that has a quantum of energy.

• quanta
• electron
• photon
• proton

(2,1,-1,1/2) is the quantum number set of the terminal electron of which element?

• Li
• Be
• B
• C

What is the quantum number set of the terminal electron of Cr?

• (3,2,2,1/2)
• (3,2,-2,-1/2)
• (3,2,2,-1/2)
• none of the above

The __________ hydrogen series is UV in range.

• Paschen
• Balmer
• Lyman
• DeBroglie