3. A balloon is filled with a mystery fluid that has a mass of 1000 kg and a volume of of |
500 mL.
A. What is the density of the fluid?
B. Will the balloon sink or float in water?
(Hel ppls)

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

What must happen before a body cell can begin mitotic cell division

What is the mass of sodium in 3 moles of sodium chloride