Answer:
The first row fits in period 2
The second row fits in period 3
Explanation:
Elements arranged vertically in the periodic table in groups that share similar chemical properties.
Elements are also organized horizontally in rows or periods
The length of each period is determined by the number of electrons that can occupy the sublevels being filled in that period.
Answer:
It changed by -7 degrees Celsius.
Explanation:
A mosses don’t have seeds
It is a variable that does not count on others help.
