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Chemistry
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What is meant by an ion being 'polarising' - and how does that determine if something is ionic/covalent?

The more polarising ion is the one that can distort the electron cloud of the other ion in the ionic bond more. The top of group two are the most ionising, since these have a small electron cloud and a bi...

Answered by Ben D. Chemistry tutor
2210 Views

Why does butane have a higher boiling point than ethane?

GCSE answer: Butane is a larger molecule than ethane meaning that the intermolecular forces between its molecules are stronger. In order for a compound to boil these intermolecular forces need to be overc...

Answered by Lucy B. Chemistry tutor
19430 Views

What is the conservation of mass and what does this mean in relation to equations?

No atoms are lost or made during a chemical reaction, so the total mass of the products is equal to the total mass of the reactants.

Answered by Kesem I. Chemistry tutor
1691 Views

Describe the Kekule and delocalised model of benzene and explain some of the reasons why the kekule is disproved

Kekule Model - 6 membered carbon ringComposed of carbon atoms joined together by alternating single and double bonds
Delocalised Model - A planr cyclic hydrocarbon composed of 6 carbon atoms and 6 hy...

Answered by Muhammad S. Chemistry tutor
2679 Views

Draw a labelled diagram of carbon.

Student drawings will indicate a central nucleus with 6 neutrons and 6 protons, as well as 6 surrounding electrons in one shell.

Answered by Josephine B. Chemistry tutor
2283 Views

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