Parts of a wave
Wavelengths of the EMS
Spectroscopy
Electrons in atoms
Vocabulary
100

What is the highest point and what is the lowest point of a wave?

Crest is the highest, Trough is the lowest

100
What waves have the longest wavelengths in the EMS?

Radio waves

100

What do Spectra glasses do?

They let you see the whole Spectrum of light.

100

Where are electrons located in an atom?

In the orbitals around the nucleus
100

What is energy that travels by radiation?

X-rays

200

What is the distance from one crest to another called?

wave length

200

What has the shortest wavelengths, but the highest energy and frequency in the EMS?

Gamma rays
200

What is Spectroscopy?

How light reacts with matter

200

What charge do electrons have?

Negative

200

What electromagnetic radiation has the highest energy?

Gamma rays

300

What is the measure of the number of waves that pass a point in a given amount of time?

Frequency

300

What are infrared waves used for?

mostly in heat lamps
300

What is it used for?

To identify substances/elements

300

Which groups on the PT want to gain electrons?

non-metals, 15-17

300
An overexposure to what can result in sunburns and skin cancer?
To Ultraviolet rays
400

What is the amplitude?

It is a measure of the amount of energy a wave carries.

400

Which waves have wavelengths shorter than violet light in the visible spectrum?

Ultraviolet waves

400

Which gas has a lot of bright red spectra lines?

Hydrogen

400

Why do elements want to lose or gain electrons?

They want to have 8 electrons on the outer orbital

400

What energy is light classified as?

radiant energy

500

When do waves have a steady frequency?

When the same amount of waves pass by in a given amount of time.

500

What are X-rays used for and what wavelength to they have?

Used to photograph bones and teeth or check inside luggage. They have a shorter wavelength than ultraviolet waves

500

Which element has many red-orange spectra lines?

Neon

500
What is the name of the atoms that lose electrons and the ones that gain?

Lose: Cations, Gain: Anions

500

What represents the different forms of electromagnetic radiation?

The frequency and wavelength

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