How many valence electrons do the inert gases have? a. 1 c. 5 b. 4 d. 8 select the best answer from the choices provided

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 element breaks down into yttrium-90?

In the reaction between a crushed antacid tablet and vinegar what gas is emitted