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Chemistry
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What is the trend in first ionisation energy across a period?

Overall, the general trend is an increase across the period.

The decrease in shielding (as outer electrons are less influenced by the nucleus) is outweighed by an increased nuclear charge...

BW
Answered by Ben W. Chemistry tutor
13188 Views

What is hybridisation?

Hybridisation is a chemical phenomenon that occurs in certain atoms, whereby atomic orbitals 'mix' or 'hybridise' from their usual arrangement to form a more energetically-favourable orbital arrangement. ...

LH
Answered by Liam H. Chemistry tutor
25085 Views

What is a coordinate bond?

A coordinate bond is a covalent bond in which both the electrons in the shared pair are donated from one atom (the donor). The properties of the covalent bond are exactly the same as a no...

SG
Answered by Shannon G. Chemistry tutor
4866 Views

What is observed in the reaction between an acid and a carbonate?

Acids are substances that dissolve in water to generate an excess of Hions. They react with bases to produce a salt and water. With metal carbonates, products include a salt of that metal (de...

SG
Answered by Shannon G. Chemistry tutor
20466 Views

Explain the physical properties of metals

Metals have a number of physical properties which make them useful to us in society, and which you will be familiar with from everyday experience. By considering the structure and bonding of metals whi...

ML
Answered by Michael L. Chemistry tutor
25806 Views

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