Melt chocolate and measure the temperature and then melt wax and measure the temperature and compare his results.
Explanation:
Atoms of metals do not hold their electrons to themselves. Instead they allow them to float around them delocalised. This is important because it is this characteristic that allows metals to be good conductors of electricity since electrons are free to move around to carry a charge.
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B! because the hydrogen causes some nuclear reactions.
Protons and neutrons
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