Question

To

1. Why are the elements placed in specific places on the Periodic Table?
2. Periods are
that run from
3. Elements in the same period have the same
4. Every element in the first period has
shell for its
Every element in
the second period has
for its
See the pattern?
5. Groups are
that run from
to
6.
The elements of a group have the same number of
shell
in their
Periodic Table Scavenger Hunt
7. Every element in group one has electron in its outer shell. Every element in
group two has
electrons in its outer shell.
8. Hydrogen is special because it can act like two groups,
and
9. Hydrogen sometimes is
an electron and sometimes it has an
electron
electrons in its outer shell, it is grouped with
10. Although helium has only
elements that have

Answer 1

Elements in the same period are classified by their amount of electron shells

Answer 2

for ans of 1they are placed according to their valency or radicals this is according to what I think