Hydrogen chloride gas reacts with magnesium to form the ionic compound called magnesium chloride, Magnesium forms a Mg ion and Chlorine forms Cl ion. Use this information to help you to write the formula of magnesium chloride.

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates