Explain the need for a reference atom for Atomic mass? give some information about to reference atoms. please don't copy from Goógle​

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.