ELECTRONS: Electrons are extremely light particles. ELEMENTS: A substance made of just one kind of atom is known as element. Our expertise staff members are the best lot to provide accurate and satisfactory answers. The number of atoms of each kind of molecules remains the same before and after the chemical change. Domestic tools, utensils and machinery are also prepared from them. It is the solution of iodine in alcohol that has antiseptic properties.It has been over a decade that huge number of students avail our services daily. Red phosphorus is used for preparing matchsticks and fireworks. For any query related to chemistry assignments or information you can be connected to us by doing a live chat.Modern chemistry evolved out of alchemy following the chemical revolution.We at the provide chemistry assignment help and homework help with all topics.As per our chemistry assignment help experts, if you go deep in this subject, you find that chemistry covers many topics such as the properties of individual atoms.It shows how atoms form chemical bonds to create chemical compounds.Elements that most closely follow the periodic law (Representative) 3.The first scientist to organize elements based on repeating patterns (Dobereiner) 4. Most elements are ___, since they fall to the left of the “staircase line” (Metals) 11. This element was assigned a relative atomic mass of one because it is the lightest element (Hydrogen) 16. The changes that take place in the external environment are due to the chemical reactions. The subject chemistry helps us to understand the behaviour of chemicals.