what is the particle model for the reatction of iron and sulphur?

thx

My education is completely lacking on the particle model but perhaps this site will help you get started.

http://www.standards.dfes.gov.uk/schemes2/secondary_science/sci07g/

The web page DrBob referred to gets into the relationship between a definite mass ratio and a definite particle ratio. The particle model of matter becomes the explanation of the definite mass ratio.

A less profound but accurate answer might be to merely write the chemical equation for the reaction:
Fe + S --> FeS
or
8Fe + S8 --> 8FeS,
depending what formula you use for sulfur. The chemical equation should be explained in words.

moles of CuCl2+2H2O

The particle model for the reaction between iron and sulfur is known as the Iron-Sulfur (FeS) reaction. In this reaction, iron (Fe) and sulfur (S) atoms combine to form the compound iron sulfide (FeS), which is a solid compound.

To understand the particle model of this reaction, you first need to know that elements are made up of atoms, which are the smallest units of matter. In a chemical reaction, atoms rearrange themselves to form new substances.

In the Iron-Sulfur reaction, iron atoms (Fe) combine with sulfur atoms (S) to form iron sulfide (FeS). The reaction can be represented by the following chemical equation:

Fe + S --> FeS

In this equation, the arrow indicates the direction of the reaction, with iron and sulfur on the left side and iron sulfide on the right side.

When this reaction occurs, individual iron and sulfur atoms come into close proximity, and their outermost electron shells interact. As a result, the iron atoms donate electrons to the sulfur atoms, forming positively charged iron ions (Fe2+) and negatively charged sulfur ions (S2-). These ions then come together and arrange themselves in a crystal lattice structure to form iron sulfide.

So, to summarize, the particle model for the reaction of iron and sulfur involves individual iron and sulfur atoms coming together, with electron transfer occurring between them to form iron ions and sulfur ions. These ions then combine to form the solid compound iron sulfide.