Chemistry/Waves Flashcards
What does malleable mean?
Bendable
What does luster mean?
Shiny
Symbol C stands for…
Carbon
Symbol S stands for…
Silicon
What are vertical columns called on periodic table?
Chemical Family’s.
What are rows called on periodic table?
Periods
What is the number that increases by one all the way through the periodic table?
Atomic number
If an element is reactive when you put acid on it what will it do?
Bubble and fizz
Where are the noble gases?
Right most column.
What is a property of alkali metals?
Reactive with water
Property of alkaline earth metals?
Less reactive than alkali metals
What is true about Noble Gases?
Heavier
Most of the elements on the periodic table are…
Metals
What are 4 properties of metals?
Malleable, luster , reactive, and conductors.
Red has the _____ amount of energy than all colors.
Least
The part of the electromagnetic spectrum with the lowest frequency?
Radio waves.
What technology uses infra red radiation?
TV remote , night vision goggles.
Do electromagnetic waves need a medium to travel through?
No
Visible light is a small or large part of the electromagnetic spectrum
Small
The highest energy on the electromagnetic spectrum is
Gamma ray
What type of waves do cell phones use
Micro waves
Microwave are dangerous even in low concentrations?
False
Gamma rays can be used to fight…
Cancer
What does a transverse wave look like?
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