Amixture of sand and table salt can be separated by filtration because the substances in the mixture differ in( i) boiling point (2) density at stp(3) freezing point (4) solubility in water

When electrons are removed from the outermost shell of a calcium atom, the atom becomes an anion that has a larger radius than the atom. an anion that has a smaller radius than the atom. a cation that has a larger radius than the atom. a cation that has a smaller radius than the atom.