Answer:
Density is a measurement that compares the amount of matter an object has to its volume. An object with much matter in a certain volume has high density.
Explanation:
Mg2+...because it loses 2 electron which is on its valence shell making it empty and making it have jst 2 shells. The radius calculated from d nucleus to the new valence shell is then smaller than that of Cl^- and k+
Answer: although it is convenient to think of the electron moving around the nucleus along circular paths
Explanation:
mole=10 x 10⁻³ : 46 g/mol = 2.17 x 10⁻⁴