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Chemistry
GCSE

Explain the electronic configuration of Sodium (Na) and how this relates to its position in the periodic table.

Firstly we must use the periodic table to look at the number of protons (11) contained within a sodium atom. This tells us how many electrons are contained within the shells of that atom as these two are ...

Answered by Luke S. Chemistry tutor
15159 Views

Which factors should be altered in chemical reaction between zinc (s) and hydrochloric acid (l) in order to speed up the rate of reaction?

Increasing acid concentration- increased number of reactant particles means they are more crowded so there is a greater chance of the particles collidingIncreasing temperature- reactant particles have mor...

Answered by Fatimah R. Chemistry tutor
1989 Views

Why does increasing the concentration of a reactant increase the rate of reaction?

Increasing the concentration of a reactant is the same as increasing the concentration of squash- there are more particles in a solution and in a given space. More particles mean that there is a greater c...

Answered by Rhianna R. Chemistry tutor
2788 Views

What is the difference between and alkane and and alkene?

Alkane's are formed from carbon and hydrogen atoms, a compound known as a hydrocarbon, in single bonds. Alkenes are also hydrocarbons, but contain a double bond. In both compound...

Answered by Georgina H. Chemistry tutor
4036 Views

What are the keypoints involved in ionic bonding?

First, work out where the electron transfer is going to happen. Because it's ionic bonding we know 1 atom will lose electrons, and 1 will gain them. By using the electron shell's...

Answered by Georgina H. Chemistry tutor
1852 Views

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