Beryllium has an atomic number of 4 and an atomic mass of 9. How many neutrons does Beryllium have?

What is a property of a double replacement reaction

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.