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Chemistry
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Explain why Xenon had a lower first ionisation enthalpy than Neon. (3 marks)

Xenon is further down Group 8 of the Periodic Table than Neon, hence has its outermost electrons in higher energy shells further away from the nucleus. Therefore, there are more full inte...

Answered by Alex M. Chemistry tutor
8452 Views

How would you find out whether a reaction is feasible?

For a reaction to be feasible at a given temperature, it must happen spontaneously, which means no extra energy needs to be put in for the reaction to occur. To find out whether a reaction is feasible, yo...

Answered by Sarah G. Chemistry tutor
57031 Views

Which of the Group 7 elements has the highest boiling point and why?

Iodine, because the forces between the iodine molecules are stronger than in the other halogens.

Answered by Amaani I. Chemistry tutor
6582 Views

Explain why Scandium is not considered a true transition metal.

By definition, to be a transition metal, is a d block metal, which forms at least one stable ion, with a partially filled 3d shell.
Scandium has one stable ion, Sc3+, which posses no 3d o...

Answered by Joe P. Chemistry tutor
4630 Views

What is the difference between an ionic bond and a covalent bond?

An ionic bond is the electrostatic attraction between oppositely charged ions formed by atoms that have lost or gained electrons whereas a covalent bond is a shared pair ...

Answered by Amy O. Chemistry tutor
1990 Views

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