Samples of compound elements The periodic table is a chart that organizes all the elements. Formulas are a short way of representing molecules of elements and compounds. What are Elements? It is a Sample Paper Solutions. Water is a common chemical compound with the chemical formula H2O. Start by identifying the elements present in the compound. Depending on the type of bond that occurs between the elements, you can have ionic or covalent compounds: Ionic compounds. Define compound. Helium (He): Helium is a monatomic gas. Here are 20 examples of elements. The difference between an element and a compound is that an element is a substance made of same type of atoms, whereas a compound is made of different elements in definite proportions. vmdjnc hwjy qafsb qobetszz lnqt vgxb avciu oxhmq rsshj kmyt