Answer:
The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. All the members of a family of elements have the same number of valence electrons and similar chemical properties. The horizontal rows on the periodic table are called periods.
Step-by-step explanation:
Answer:true
Explanation:
24+24=48
48-8=40
40x2=80
80=80!
So it is true.
Answer:
I have no clue to be honest
Answer:
Step-by-step explanation:
