Select the word or phrase from the drop-down menu to describe ionic compounds.
a formula unit represents the simplest ratio of elements in a
of an ionic compound.
a crystal is made up of
there are two magnesium ions for every two sulfide ions in. magnesium sulfide. the ratio of mg to sin
the formula unit is
donis

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need