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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...

HP
Answered by Henry P. Chemistry tutor
12758 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...

HP
Answered by Henry P. Chemistry tutor
6392 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...

IC
12986 Views

How can I effectively analyse an unseen poem in exam conditions?

Under high-stress conditions, such as an exam, the most important thing is not to rush in and panic. Read the poem all the way through once or twice without making any annotations. Once you feel that you ...

CS
52742 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...

SV
Answered by Sophie V. Chemistry tutor
17690 Views

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