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Chemistry
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Explain the principle behind chemically reactive and inert molecules

Electronegativity.
Molecules with atoms which possess an almost full outer shell will always be seeking to draw in the extra electron(s) to fill up their outer shells.Likewise molecules with atoms wh...

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Answered by Irtiza S. Chemistry tutor
2625 Views

Describe the structure, bonding and properties of diamond

Diamond has a giant covalent lattice structure. Each carbon atom forms a strong covalent bond with 4 other carbon atoms (forms 4 covalent bonds). As a result this makes d...

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Answered by Hannah O. Chemistry tutor
11543 Views

How can chromatography be used to identify substances?

Chromatography can be used to determine the RF value of an unknown substance. This RF value when cross-referenced with already known RF values can then be used as a guide to find out a potential range of ...

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Answered by Sam W. Chemistry tutor
10922 Views

Explain why chlorine is more reactive than iodine(3 marks)

The chlorine atom is smaller than the iodine atom therefore its 7 outer electrons are closer to the nucleus than the 7 outer electrons in iodine. In turn, this means the positively charged chlorine nucleu...

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Answered by Haaris R. Chemistry tutor
5594 Views

Explain why graphite can conduct electricity

Each carbon atom forms covalent bonds with three other carbon atoms and one electron from each carbon atom is delocalised.It is these delocalised electrons which allow electricity to be conducted as they ...

TD
5808 Views

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