Unit 4 Review After Vaca

When an electron falls to a lower energy level, it releases _____.

• a proton

• a photon, which is a packet of light energy

• a photon, which is another subatomic particle

• a neutron

The distance between 2 crests OR 2 troughs on a wave are called its---

• frequency

• quantum cloud

• speed

• wavelength

Frequency and wavelength have a relationship that is described as ______.

• inverse.

• direct.

• the same.

• quantumly related.

According to the chart, which of the following have a higher energy than visible BLUE LIGHT? choose all that apply

• radio waves

• gamma rays

• x-rays

• red waves

Which of the following waves are used to cook our food?

• blue light

• x-rays

• micro waves

• radio waves

choose all that apply Compared to microwaves, visible light has...

• a longer wavelength than microwaves

• higher frequency than microwaves

• the same speed as microwaves

• higher energy than microwaves

What is the correct order of orbitals from LOWEST to HIGHEST energy?

• d,f,s,p

• 1,2,3,4

• s,p,d,f

• alpha, lima, echo, beta

What is the correct equation to use:
If the wavelength is 550 nm, what is the frequency?

• (energy of photon) = ((planck's)*(speed of light)) / (wavelength)

• (speed of light) = (wavelength)*(frequency)

• (energy of a photon) = (planck's)*(frequency)

Use your Otus Bookshelf resources to help you answer:
What is the electron configuration of He?

• 1s⁴

• 1s²

• 1s² 2s²

• 1s² 2s² 2p⁶