Hey guys so my cuz gave me this stone when he went to mexico can u plz tell me what kind of stone this is?

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

Type the letter that represents the correct location for each particle type below.

Salt in oceans comes from and of rocks