Which group on the Periodic Table of the Elements contains elements that react with oxygen to form compounds with the general formula #X_2O#?

Related questions

• How can the periodic table be used to predict new elements?
• How are the elements are organized in the periodic table?
• Why is the periodic table a useful tool?
• How are elements arranged in the modern periodic table?
• What were the contributions of Mendeleev to the periodic table?
• Explain how the periodic table is organized?
• How does IUPAC name elements?
• Question #fe5fc
• Question #b9496
• Question #8bc3b