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Chemistry
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Explain why the second ionisation energy of boron is higher than the first ionisation energy of boron?

Boron is the 5th element in the periodic table, and has an electron configuration 1s22s22p1. The first ionization energy of Boron is the energy required to remove the sing...

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Answered by Henry P. Chemistry tutor
12949 Views

What's the difference between an electrophile and a nucleophile?

It's really useful to know that 'phile' means love.Electrophiles 'love' negative charge - this means they are attracted to regions of negative charge. And as such they tend to be positively charged.Simila...

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Answered by Henry P. Chemistry tutor
6460 Views

How are Van der Waals interactions formed between molecules?

This questions relies on understanding of electronegativity, instantaneous dipoles and temporary induced dipoles.Van der Waal's forces (also called London Dispersion Forces) are weak intermolecular forces...

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13160 Views

What do I need to know about fractional distillation?

Fractional distillation is covered in almost every GCSE chemistry course, although what you need to know varies slightly by syllabus. The main points to take away are explained below.Why do we do frac...

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Answered by Sophie V. Chemistry tutor
17935 Views

What are isotopes and how do they differ from each other?

An isotope is a different form of the same element. They differ from each other by the number of neutrons, however they have the same number of protons and electrons. This results in a different atomic...

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Answered by Hayden T. Chemistry tutor
34297 Views

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