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Autosave: 2024-05-09 07:45:04

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thomasabishop 2024-05-09 07:45:04 +01:00
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zk/Matter_and_atoms.md
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@ -13,7 +13,7 @@ tags: [physics]
- An element is a substance that cannot be reduced to a simpler substance by
chemical means.
- The chemical combination of two or more elements is a compound. Compounds
_can_ be separated by reduced by chemical means but they cannot be
_can_ be separated or reduced by chemical means but they cannot be
physically separated.
- A _physical_ (note not _chemical_) combination of elements and compounds is
a mixture.
@ -24,8 +24,8 @@ tags: [physics]
- Elements are made up of **atoms**.
- A **molecule** is a type of compound where the atoms of two types of elements
have joined together. For example Sodium and Chlorine are two elements that
can join to form Sodium Chloride. We call this **chemical bonding**.
have joined together. For example sodium and chlorine are two elements that
can join to form sodium chloride. We call this **chemical bonding**.
## Atomic particles
![](/img/atom-diagram.svg)