To form an oxygen molecule to oxygen atoms share two pairs of electrons what kind of bond is shown below by the electron dot diagram of o2

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Which three statements represent the benefits of performing experiments using computer simulations?

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius