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Chemistry
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Describe briefly the nature of metallic bonding and use this to explain why metals are malleable (can be hammered into shape) and conduct electricity

Metallic bonding occurs as a result of the electrical attraction forces between the protons in the nuclei of the metal species and the delocalised electrons (which form a sea of electrons surrounding the ...

Answered by Miroslav A. Chemistry tutor
12280 Views

State what is meant by the term 'first ionisation energy' and explain why the first ionisation energy of barium is lower than that of calcium

First ionisation energy is the energy required to remove one mole of electrons from one mole of gaseous atoms, to produce one mole of gaseous ions each with a (+1) charge.

Barium has more energy le...

Answered by Varsha S. Chemistry tutor
4546 Views

Describe the general structure of an atom.

Atoms are made up of three subatomic particles. These are protons, electrons and neutrons. Protons are POSitivly charged. Neutrons are NEUtral. Electrons are negative (electic shocks are bad). The nucleus...

Answered by Miriam J. Chemistry tutor
13756 Views

What makes phenol different from alcohols?

You will need an underlying knowledge of the structure of benzene to answer this question. Benzene (C6H6) is formed from 6 carbon atoms arranged in a ring. [draw benzene] Each carbon atom has 4 bonding el...

Answered by David M. Chemistry tutor
1595 Views

Why are teachers now saying electrons are in orbitals? I thought they moved around shells?

Unfortunately, every year in school you are told that something from the previous year was not completely true, and had in fact been simplified...one of the major examples of this is orbitals. While the e...

Answered by Findlay M. Chemistry tutor
1626 Views

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