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Chemistry
GCSE

What is an ionic bond?

An ionic bond is an electrostatic interaction between a cation(positive) and an anion(negative). These bonds are formed when a metal forms a compound with a non-metal.

Metals lose electrons an...

OP
Answered by Olivia P. Chemistry tutor
3896 Views

So, what actually is a mole?

A mole is simply a unit of measurement of any substance that contains as many atoms as there are in 12 grams of Carbon-12.

 

Why Carbon-12?

Carbon-12 is the standard by which w...

PQ
Answered by Patrick Q. Chemistry tutor
3936 Views

What is the difference between a covalent and ionic bond?

Covalent bonds are formed between two non-metals, while ionic bonds are formed between a metal and a non-metal. Both types of bonds involve forming complete outer electron shells.
Covalent bo...

FL
Answered by Flora L. Chemistry tutor
41934 Views

How can you increase the yield of product from a reaction?

  1. Increase the temperature
    2) Increase the concentration of reactants
    3) Increase the surface area of the reactants
    4) Use a catalyst
    5) Remove the product as it's formed
AW
Answered by Azelie W. Chemistry tutor
29432 Views

When chlorine is bubbled through potassium bromide solution, the solution turns orange. Explain this.

This is because the reaction taking place is a displacement reaction, meaning that one element is being displaced by another. 

So what is being displaced?:

If you look...

LB
Answered by Leah B. Chemistry tutor
80087 Views

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