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Chemistry
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What is an ionic compound and how do they form?

When metals react with non-metals, electrons are transferred from the metal atoms to the non-metal atoms, forming ions.  The resulting compound is called an ionic compound.

A few examples of ionic ...

JA
Answered by Janine A. Chemistry tutor
9067 Views

Why does bromine water become colourless upon the addition of ethene, but not ethane? What is this reaction called?

Bromine water reacts with ethane as it is able to break open the double bond, forming 1,2-dibromoethane. This double bond is not present in ethane, so bromine water does not react with it. This reaction i...

OA
Answered by Omar A. Chemistry tutor
22565 Views

How is the electronic structure of sodium different to chlorine?

(Draw the two out) 

Chlorine has 7 electrons in its outer shell while sodium has only one.

TH
Answered by Tabitha H. Chemistry tutor
5240 Views

titration calculation: 35cm3 of Hydrochloric Acid reacts with 27.5cm3, 0.3mol/dm3 NaOH. What is the Concentration of the Hydrochloric Acid?

  1. Write out what you know:

    HCL - VOL: 35 --- CONC: (x) --- MOL: (x)
    NaOH - VOL: 27.5 --- CONC: 0.3 --- MOL: (x)

  2. Realise what you can work out - Mol of NaOH in ...
GK
Answered by Ghazn K. Chemistry tutor
4443 Views

Give the pH of an alkaline solution

pH 8-14 (anything above pH 7 can be seen as alkaline)

JB
Answered by Jodie B. Chemistry tutor
2572 Views

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