Classify the following into metals, non-metals and metalloids: Silicon, Mercury, Diamond, Sulphur, Iodine, Germanium, Sodium, Carbon, Magnesium, Copper, Boron, Helium.
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- Metals: Mercury, Sodium.
- Non-metals: Diamond, Sulphur, Iodine, Carbon, Boron.
- Metalloids: Silicon, Germanium.
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