Multiple ChoiceIf calcium ions, each of which has a charge of 2+, are present in a solution, what is the chemical symbol for a calcium ion?94views
Multiple ChoiceWhich of the following correctly identifies the cation and anion present in MnCl4?92views
Multiple ChoiceIn the compound Cr3(PO4)4, which species is the cation and which is the anion?116views
Multiple ChoiceGive the correct number of protons, neutrons and electrons for the following isotope:.6337views42rank
Multiple ChoiceOne isotope of a metallic element has a mass number of 65 and 35 neutrons in the nucleus. The cation that this atom forms has 28 electrons. What is the symbol of the cation?5508views26rank1comments