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Hydrogen

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Cymraeg
English
Animation

 

Helium

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English
Animation

 

Lithium

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English
Animation

 

Beryllium

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Cymraeg
English
Animation

 

Boron

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Cymraeg
English
Animation
Orbital animation

Carbon

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Cymraeg
English
Animation
Orbital animation

Nitrogen

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Cymraeg
English
Orbital animation

Oxygen

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English
 

Fluorine

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English
 

 

Neon

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Cymraeg
English
Animation

 

Sodium

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Cymraeg
English
Animation

 

Magnesium

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Aluminium

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Cymraeg
English
English US

 

Silicon

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English
 

 

Phosphorus

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Sulphur

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English US

 

Chlorine

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Argon

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Potassium

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Calcium

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