Suppose you found an igneous rock that had almost even amounts of silica, iron, and magnesium. how would you classify this rock? why?

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

What layer of the atmosphere is directly above the troposphere?

Compare and contrast physical changes with chemical changes.