What mass of oxygen combines with 2.81 mol of magnesium in the reaction
2 Mg(s) + O2(g) → 2 MgO(s)?

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

8. what happens to matter during a chemical reaction

What is the chemical formula for dihydrogen monoxide