Which of these chemical formulas is incorrect, and why?
A. Mgs, because the net charge is not zero
B. cina because the nonmetal symbol should be
second
C. Naf, because a metal and nonmetal CANNOT form
an ionic compound
D. BeCl2, because the net charge is zero

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 amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j

Salt in oceans comes from and of rocks