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Chemistry
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Explain why graphite can conduct electricity.

Graphite is structured as layers of carbon atoms arranged in 6 atom planar rings. Each carbon atom forms three bonds to neighbouring atoms meaning that each eatom has an unbonded alectron. This unbonded e...

LW
Answered by Lorna W. Chemistry tutor
5173 Views

What is the difference between ionic and metallic bonding?

Ionic compounds are made up of charged atomic or molecular ions, the attraction between the oppositely charged ions holds the compound together. They don't conduct electricity, are soluble in water.

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BB
10587 Views

Explain why reactivity increases as you go down group 1 (alkali metals) of the periodic table (3 marks)

As you go down the group, there is an additional electron shell added each time (1). These electron shells hold negatively charged electrons that shield the positive nucleus from the outer shell electron....

AG
Answered by Alice G. Chemistry tutor
1459 Views

Explain why reactivity increases as you go down group 1 (alkali metals) of the periodic table ( 3 marks )

As you go down the group, there is an additional electron shell added each time (1). These electron shells hold negativley charged electrons that shield the positive nucleus from the outer shell electron....

AG
Answered by Alice G. Chemistry tutor
6373 Views

Can you explain the trend in ionisation energy across the periodic table?

Simply put, it is down to the attraction between positive and negative particles. The protons within the nucleus of an atom make the nucleus 'positive'. In contrast, electrons are 'negative'. If you imagi...

JI
Answered by Joseph I. Chemistry tutor
2101 Views

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