To which group are rhe following elements 1.sulfur 2. iron 3. xenon

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

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

Can someone me with these questions plz.