Which type of bond is created when one atom takes an electron from another to fill its valence shell?

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

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these

Salt in oceans comes from and of rocks