Which metal reacts spontaneously with a solution containing zinc ions?
(1) magnesium (3) copper(2) nickel (4) silver

How are elements arranged in a periodic table

I’m an electrically neutral atomic any element, there are equal numbers of

An ice cube with a volume of 45.0ml and a density of 0.9000g/cm3 floats in a liquid with a density of 1.36g/ml. what volume of the cube is submerged in the liquid