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CnH2n+2C7H16Heptane
The group 7 elements become less volatile as you go down the group. This is because as you go down the group the molecules become larger and contain more electrons. Therefore there are Greater London forc...
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...
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.
Student drawings will indicate a central nucleus with 6 neutrons and 6 protons, as well as 6 surrounding electrons in one shell.
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