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Chemistry
GCSE

What is the end point in a titration?

During a titration, an acid is added drop by drop into an alkaline solution and the pH decreases. End point is the point at which the alkaline solution has become neutral, that is pH 7. You can use an ind...

Answered by Ashley Y. Chemistry tutor
18030 Views

What is the Lowry and Bronsted definition of acids and bases?

Acids are defined as proton donors and bases are defined as proton acceptors.

Answered by Ashley Y. Chemistry tutor
2435 Views

What is ionic bonding and covalent bonding?

Bonding in chemistry involves the transfer or sharing of electrons. In the case of ionic bonding, one or more electrons are transfered from one atom to another leading to charged fragments, one that is po...

Answered by Kasra A. Chemistry tutor
2862 Views

What affects the rate of reaction?

Let’s start be thinking what exactly is a reaction. It takes place as an interaction between two or more particles. For that to happen, they must get close. Really close. And fast. Fast because otherwise ...

Answered by Sebastian M. Chemistry tutor
2920 Views

Explain why sodium is more reactive than Lithium? (4 marks)

Na has more electron shells/ energy levels than Li. This means that Na has a greater atomic radius than Li. Therefore, the outer shell electron in Na experiences a weaker nuclear attraction than in Li. Le...

Answered by Haider M. Chemistry tutor
37389 Views

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