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Chemistry
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Explain why there is a general increase in the first ionisation energy across the third period.

The first ionisation energy depends on:the charge on the nucleus, the distance of the outer electron from the nucleus, the amount of shielding by inner electrons and whether the electron is alone in an or...

Answered by Mara P. Chemistry tutor
5443 Views

Describe how elements of the periodic table are arranged relating to their atomic structure. (6 marks)

Elements in the periodic table are arranged by increasing atomic number (number of protons). Atomic number of elements steadily increases across a period (horizontal rows of the periodic table). Elements ...

Answered by Jake G. Chemistry tutor
14402 Views

Explain three differences between particles in a solid state and particles in a gaseous state.

Particles in a solid state are packed very close together whereas in a gaseous state they are very far apart.Particles in a solid state have a regular, structured pattern whereas gaseous particles are ran...

Answered by Frankie L. Chemistry tutor
1584 Views

Describe how you would distinguish between separate samples of the two 2 0 4 stereoisomers of CH3CH2CH2CH2CH(OH)CN [2 marks]


(Plane) polarised lightEnantiomers would rotate light in opposite directions
ill explain in more detail.

Answered by Aitisam J. Chemistry tutor
8868 Views

How do you describe the process of recrystallisation to purify a product?

When describing the process of recrystallisation, it is important that every step is mentioned. Firstly, the impure product must be dissolved in a minimum amount of hot solvent. The hot s...

Answered by Chris R. Chemistry tutor
8861 Views

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