1

Learn to describe heat and how it is produce the simple way.

2

Why does ice float on water. We generally know that matter is heavier in solid state than in its liquid state. But ice is lighter than water. Hydrogen bonding is the reason for this.

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Two atoms of hydrogen with one atom of oxygen. This all sounds so simple yet the actual nature of water is still a mystery to scientists.

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Stars are made of enormous, cold and dense molecule skies, which can contain many tousand more matter than the sun, is exposed to changes on the outside. It may for example be a wave effect in a spiral galaxy or exploding stars.

3

A brief overview of the discoveries of John Dalton, the inventor of the atomic theory and much more.

4

Here’s a quick and easy way to remember the seven diatomic molecules.

10

Pioneering discoveries that became turning points in the history of chemistry.

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You have heard health care workers and homeopathic doctors talk about free radicals for years, but what exactly are these little green monsters?