what type of bond is formed between atoms and sodium oxide? describe how it forms and how it affect stability

What three natural resources are found in the great lakes region

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?