Answer:the first column has one valance electron the second has 2 and so on.
The only exception is helium that has 2.
Explanation:
Answer:
an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than eubacteria and archaebacteria.
Explanation:
you could have just looked it up yourself on go.ogle but thx for the points!
Tungsten (W) is the element