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Use your own knowledge to compare and contrast the physical and chemical properties of Transition metals and group 2 elements. Use examples to explain your answer.

Answer: Students should be able to list the typical properties of transition metals Physicalhigh melting point / DensityFormation of coloured compoundsFormation of ions w...

Answered by Chris K. • Chemistry tutor

2074 Views

Excess KCN(aq) is added to a solution of [Co(H2O)6]2+. Identify the complex ion formed and predict its shape and charge.

[Co(CN)6]4-CN has -1 charge so overall charge is -4. CN- is similar sized ligand to H2O so shape is unchanged and remains octahedral.

Answered by Jack J. • Chemistry tutor

3474 Views

Could you explain why water has a high latent heat of vapourisation?

A water molecule is polar. Due to the uneven sharing of electrons in the hydrogen-oxygen covalent bond, the oxygen molecule is slightly negatively charged and the hydrogen atoms are slightly positively ch...

Answered by Steffan J. • Chemistry tutor

4000 Views

Why do I have to learn about electron shells.

This knowledge may not help you become good at your job in the future, but it is critical knowledge for everyone to have. electrons exist in certain energy levels around the atom. When an atom is hit by a...

Answered by Alireza M. • Chemistry tutor

1738 Views

What are Van der Waal forces ?

Van der Vaal forces are temporarily induced dipole forces. At any given time, the density of electrons in 1 atom will repel the electrons in another closely located atom, creating a dipole. Van der waal f...

Answered by Saron T. • Chemistry tutor

3793 Views