According to the law of conservation of matter, matter is neither created nor destroyed, so we must have the same number and kind of atoms after the chemical change as were present before the chemical change.
So I can't really be gone, see you all soon.
@EizabethElliott I had to use all my knowledge to devise a small explosive to blow the door off its hinges, after the 5th failure a delivery man pried it open with a crowbar