the physical and chemical properties of the products Are different from the reactants. This causes the changes to be seen, physical changes and chemical.
Answer:
The transfer of energy to a substance or from a substance can change the state of matter of the substance. For example, when water in the liquid state is heated the molecules of water start to move vigorously and hence the liquid state of water gets converted into the gaseous state in the form of steam. When liquid water is cooled down the molecules compress and form ice changing the liquid state of water into the solid-state.
Answer: A chemical symbol is a one- or two-letter designation of an element. Compounds are combinations of two or more elements. A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements. Many elements have symbols that derive from the Latin name for the element
No. it does not have any charge