What is the ph of a 3x10-8M H+ solution

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

Iwll give extra points to who gets this for ! what type of reaction is this? ?

When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)