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Chemistry
GCSE

Explain, with reference to the outer electrons, the type of bonding in sodium chloride and whether it would be a good conductor of electricity.

Because sodium chloride is a compound that consists of a metal and a non-metal, we know that the bonding present in sodium chloride is ionic. This means that electrons are given and taken in order for the...

Answered by Kym A. Chemistry tutor
4855 Views

Define the term "homologous series" and give an example

A homologous series is a series of molecules with the same functional group but different chain lengths. An example could be alkenes where the functional group is the C=C double bond.

Answered by Anisha B. Chemistry tutor
5747 Views

What is an acid?

An acid is a substance which releases hydrogen ions (protons) when added to water. pH values of less than 7 are considered acidic, with 1 indicating it is a strong acid.

Answered by Ellie W. Chemistry tutor
2802 Views

Chlorine is in group 7. What is the charge on its ions, and is the charge positive or negative?

Chlorine is in Group 7 of the periodic table. Therefore a chlorine atom has 7 electrons in its outer shell. this atom needs one more electron to form an ion with a full outer shell. Hence the ion formed w...

Answered by Tom B. Chemistry tutor
95464 Views

What is condensation polymerisation ?

Polymerisation is defined as the process of bringing individual molecules, called monomers, together to form chains of these molecules called polymers. When this process is done with molecules containing ...

Answered by Kishen P. Chemistry tutor
3169 Views

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