An atom has atomic number 5 and mass number 11. how many neutrons does the atom have?
5
6
10
11

Describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? )

8. what happens to matter during a chemical reaction

The density of benzene at 15 °c is 0.8787 g/ml. calculate the mass of 0.1500 l of benzene at this temperature. enter your answer in terms of grams