A sample of magnesium nitride has 19.44 grams of nitrogen in it. How many grams of magnesium nitride do you have

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Calculate the number of molecules present in 0.750 mol of mgo.

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize