if an element number has a mass number of 244 and an atomic number of 94, how many neutrons does the element have

How have the greenhouse gasses increased from the year 2000 to 2018

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas