What is water made of? Molecules and chemistry
A big ocean wave The first molecules of water formed out in space, about 14 billion years ago, as part of the nebula left over after an early star exploded [...]
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06, 2017
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06, 2017
What is an ionic bond? Simple science – Chemistry
Ionic bond examples: Diagram of a molecule of salt, which uses an ionic bond What is an ionic bond? When atoms get close together, sometimes they form ionic bonds that [...]
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06, 2017
What are covalent bonds? – Atoms and Chemistry
Covalent bonds: two hydrogen molecules bonding to an oxygen molecule Covalent bonds stick atoms together When two atoms come near each other, sometimes they stick together to make a molecule. One [...]
