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Why does the atomic radius decrease as you move along a period.

As you move along the period the proton number increases and the electrons are added to the same shell meaning no extra electron shielding occurs. Therefore the nuclear attraction to the outer most electron ...
TM
Answered by Taylor M. • Chemistry tutor
3353 Views

How do London Forces/Van der Waal's forces arise?

In the outer shells of atoms, electrons move around uncontrollably and spontaneously, these leads to there being an uneven distribution of electrons in this region. This uneven distribution induces a dipole ...
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Answered by Raisha A. • Chemistry tutor
7482 Views

What is hybridisation and how can it be used to explain the shapes of molecules?

Before we start on exploring the implications of hybridisation, we should start with a definition. Hybridisation can be thought of as the mixing atomic orbitals into new hybrid orbitals suitable that can be ...
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Answered by Rebecca M. • Chemistry tutor
6370 Views

What is the difference between a heterogeneous catalyst and a homogeneous catalyst?

Homo geneous catalyst - catalyst is in the same phase as the reactants. Hetero geneous catalyst - catalyst is in a different phase as the reactants. What this means is that the reactants will be either a gas...
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Answered by Katie W. • Chemistry tutor
8200 Views

How would you check for halides within a compound and differentiate between them?

Add silver nitrate to the aqueous solution. If a precipitate forms then solution contains halide ions. Chloride: white. Bromide: cream. Iodide: pale yellow. Adding dilute ammonia will dissolve the chloride p...
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Answered by Artem N. • Chemistry tutor
3035 Views