Respuesta :
Answer:
18
Explanation:
the numbers at the top tell you
Answer:
A group is a vertical column of the periodic table, based on the organization of the outer shell electrons. There are a total of 18 groups.
Answer:
18
Explanation:
the numbers at the top tell you
Answer:
A group is a vertical column of the periodic table, based on the organization of the outer shell electrons. There are a total of 18 groups.