Answer:
The combined gas law states that the pressure of a gas is inversely related to the volume and directly related to the temperature. If temperature is held constant, the equation is reduced to Boyle's law. Therefore, if you decrease the pressure of a fixed amount of gas, its volume will increase.
Explanation:
Neon has filled its outer shells, therefore it is very stable and does not need to react with other elements and doesn’t form compounds.
Answer:
Carbon is the only element.