An atom of an element with atomic number 48 and mass number 120 contains a. 48 protons, 48 electrons, and 72 neutrons. b. 72 protons, 48 electrons, and 48 neutrons. c. 120 protons, 48 electrons, and 72 neutrons. d. 72 protons, 72 electrons, and 48 neutrons.

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added

27 drag each label to the correct location on the image. a particular exosolar system has five planets in total: a, b, c, d, and e. the table lists the orbital periods of these planets in days. planet orbital period (days) a 600 b 80 c 1,000 d 500 e 100 move each planet to its orbit in the system.