Consider the atom with the chemical symbol Ru. What would be the charge on an atom of Ru which only has 41
electrons?

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount